China National Standards

China Verification GB Standards List


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "Verification" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
  • GB/T 18569.2-2020
  • Safety of machinery—Reduction of risks to health resulting from hazardous substances emitted by machinery—Part 2: Methodology leading to Verification procedures Verification
    China GB-National Standards
  • GB/T 38760-2020
  • Geometrical product specifications (GPS)—Features utilized in specification and Verification Verification
    China GB-National Standards
  • GB/T 38629-2020
  • Information security technology—Technical specifications for signature Verification server Verification
    China GB-National Standards
  • GB/T 24637.1-2020
  • Geometrical product specifications (GPS)—General concepts—Part 1: Model for geometrical specification and Verification Verification
    China GB-National Standards
  • JJG 245-2005
  • Verification Regulation of Illuminance Meter Verification
    China JJG-Metrological Standards
  • GB/T 16857.901-2020
  • Geometrical product specifications (GPS)—Acceptance and reVerification tests for coordinate measuring machines (CMM)—Part 901: CMMs with multiple imaging probing system Verification
    China GB-National Standards
  • GB/T 38563-2020
  • General technical requirements for anti-counterfeiting traceability Verification based on mobile internet Verification
    China GB-National Standards
  • GB/T 38493-2020
  • Sensory analysis—Assessment (determination and Verification) of the shelf life of foodstuffs Verification
    China GB-National Standards
  • GB/T 38325-2019
  • Ground-based Verification requirements for space science experiments Verification
    China National Standards
  • GB/T 38314-2019
  • Lithium ion battery design and Verification requirements for space application Verification
    China National Standards
  • GB/T 38313-2019
  • Design and Verification requirements of fibre optic components for space application Verification
    China National Standards
  • GB/T 38308-2019
  • Weather forecast Verification-Typhoon forecast Verification
    China National Standards
  • GB/T 24034-2019
  • Environmental management—Environmental technology Verification Verification
    China National Standards
  • GB/T 5599-2019
  • Specification for dynamic performance assessment and testing Verification of rolling stock Verification
    China National Standards
  • GB/T 38325-2019
  • Ground-based Verification requirements for space science experiments Verification
    China National Standards
  • GB/T 38314-2019
  • Lithium ion battery design and Verification requirements for space application Verification
    China National Standards
  • GB/T 38313-2019
  • Design and Verification requirements of fibre optic components for space application Verification
    China National Standards
  • GB/T 38308-2019
  • Weather forecast Verification-Typhoon forecast Verification
    China National Standards
  • GB/T 24034-2019
  • Environmental management—Environmental technology Verification Verification
    China National Standards
  • GB/T 5599-2019
  • Specification for dynamic performance assessment and testing Verification of rolling stock Verification
    China National Standards
  • GB/T 37817-2019
  • Risk based Verification of offshore structures Verification
    China National Standards
  • GB/T 16649.11-2019
  • Identification cards—Integrated circuit cards—Part 11: Personal Verification through biometric methods Verification
    China National Standards
  • GB/T 37772.1-2019
  • Specification of Verification service on old-age insurance—Part 1: Old-age insurance for the enterprise workers Verification
    China National Standards
  • GB/T 37302-2019
  • Weather forecast Verification—Wind forecast Verification
    China National Standards
  • GB/T 36629.3-2018
  • Information security technology—Security technique requirements for citizen cyber electronic identity—Part 3: Verification service message and processing rules Verification
    China National Standards
  • GB/T 37016-2018
  • Technical requirements of measurement and Verification about power saving in demand response for power users Verification
    China National Standards
  • GB/T 26949.3-2018
  • Industrial trucks—Verification of stability—Part 3: Reach and straddle trucks Verification
    China National Standards
  • GB/T 16825.2-2018
  • Verification of static uniaxial testing machines—Part 2: Tension creep testing machines—Verification of the applied force Verification
    China National Standards
  • GB/T 36412-2018
  • Verification and calibration of force standard machines Verification
    China National Standards
  • GB/T 26949.5-2018
  • Industrial trucks—Verification of stability—Part 5:Single-side-loading trucks Verification
    China National Standards
  • GB/T 18658-2018
  • Charpy V-notch reference test pieces for indirect Verification of pendulum impact testing machines Verification
    China National Standards
  • GB/T 26949.9-2018
  • Industrial trucks—Verification of stability—Part 9:Counterbalanced trucks with mast handling freight containers of 6 m length and longer Verification
    China National Standards
  • GB/T 26949.16-2018
  • Industrial trucks—Verification of stability—Part 16: Pedestrian-propelled trucks Verification
    China National Standards
  • GB/T 3808-2018
  • Verification of pendulum-type impact testing machines Verification
    China National Standards
  • GB/T 36573-2018
  • Technical specification for measurement and Verification of electric energy and power saving for voltage step-up operation of power line project Verification
    China National Standards
  • GB/T 36571-2018
  • Technical specification for measurement and Verification of electric energy and power savings for parallel reactive power compensation project Verification
    China National Standards
  • GB/T 36099-2018
  • Application software trustworthiness Verification based on behavior declaration Verification
    China National Standards
  • GB/T 35656-2017
  • Guideline for Verification and validation of chemical analysis method and internal quality control—Method on reporting qualitative test reports Verification
    China National Standards
  • GB/T 35400-2017
  • General technical specification for mobile laboratory of fuel dispensers metrological Verification Verification
    China National Standards
  • GB/T 35657-2017
  • Guideline for Verification and validation of chemical analysis method and internal quality control-Metal component analysis based on sample digestion Verification
    China National Standards
  • GB/T 35655-2017
  • Guideline for Verification and validation of chemical analysis method and internal quality control—Chromatography Verification
    China National Standards
  • GB/T 35205.1-2017
  • Rough-terrain trucks-Safety requirements and Verification-Part 1:Variable-reach trucks Verification
    China National Standards
  • GB/T 35158-2017
  • Verification method for Auger electron spectrometers(AES) Verification
    China National Standards
  • GB/T 35285-2017
  • Information security technology—Public key infrastructure—Technical requirements for digital certificate based reliable electronic signature creation and Verification Verification
    China National Standards
  • GB/T 34104-2017
  • Metallic materials—Verification of the alignment of testing machines Verification
    China National Standards
  • GB/T 26949.15-2017
  • Industrial trucks—Verification of stability—Part 15: Counterbalanced trucks with articulated steering Verification
    China National Standards
  • GB/T 33888-2017
  • Non-destructive testing instruments—Characterization and Verification of ultrasonic thickness measuring equipment Verification
    China National Standards
  • SY/T 6999-2014
  • (With a mobile gas flow standard device generally require online Verification flowmeter) Verification
    China Oil & Gas Industry Standards
  • NB/T 20448-2017
  • (Verification and validation of nuclear power plant systems and software) Verification
    China Energy industry Standards
  • NB/Z 20289-2014
  • Guidelines for software Verification and validation plan in nuclear power plants Verification
    China Energy industry Standards
  • CJ/T 357-2010
  • Verification facilities of heat meters Verification
    China Urban Construction industry Standards
  • GB/T 34303-2017
  • Specifications of numerical weather predication products Verification Verification
    China National Standards
  • GB/T 27417-2017
  • Conformity assessment—Guidance on validation and Verification of chemical analytical methods Verification
    China National Standards
  • GB/T 34874.3-2017
  • Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 3:Acceptance and reVerification tests Verification
    China National Standards
  • GB/T 16857.2-2017
  • Geometrical product specifications (GPS)—Acceptance and reVerification tests for coordinate measuring machines (CMM)—Part 2: CMMs used for measuring linear dimensions Verification
    China National Standards
  • GB/T 34867.1-2017
  • Procedures for measurement and Verification of motor-system energy-savings—Part 1: Test procedures on working site for energy efficiency of motor Verification
    China National Standards
  • GB/T 1958-2017
  • Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification Verification
    China National Standards
  • GB/T 34890-2017
  • Geometrical product specification(GPS)—Acceptance and reVerification tests for digital photogrammetry 3D coordinate measuring system Verification
    China National Standards
  • GB/T 24276-2017
  • A method of temperature-rise Verification of low-voltage switchgear and controlgear assemblies by calculation Verification
    China National Standards
  • GB/T 16857.5-2017
  • Geometrical product specifications(GPS)—Acceptance and reVerification tests for coordinate measuring machines (CMM)—Part 5:CMMs using single or multiple stylus contacting probing systems Verification
    China National Standards
  • GB/Z 34603-2017
  • Gaseous-media fire-extinguishing systems—Engineered extinguishing systems—Flow calculation implementation method and flow Verification and testing for approval Verification
    China National Standards
  • GB/T 26949.13-2017
  • Industrial trucks—Verification of stability—Part 13: Rough-terrain trucks with mast Verification
    China National Standards
  • JT/T 827-2012
  • Limits and Verification methods of CO2 emission for commercial ships Verification
    China Highway & Transportation Standards
  • JT/T 826-2012
  • Limits and Verification methods of fuel consumption for commercial ships Verification
    China Highway & Transportation Standards
  • JJG 745-2016
  • (Verification procedure of vehicle headlamp detector) Verification
    China Metrological Standards
  • JJG 649-2016
  • (Digital weighing display (weighing indicator) Verification procedures) Verification
    China Metrological Standards
  • JJG 640-2016
  • (Differential pressure flow meter Verification procedures) Verification
    China Metrological Standards
  • JJG 587-2016
  • (Verification procedure of buoyant tide gauge) Verification
    China Metrological Standards
  • JJG 581-2016
  • (Medical laser source Verification procedures) Verification
    China Metrological Standards
  • JJG 539-2016
  • (Digital indicator scale Verification procedures) Verification
    China Metrological Standards
  • JJG 517-2016
  • (Taxi meter Verification procedures) Verification
    China Metrological Standards
  • JJG 478-2016
  • (Verification procedure of α, β surface contamination meter) Verification
    China Metrological Standards
  • JJG 450-2016
  • (Verification test of fruit hardness tester) Verification
    China Metrological Standards
  • JJG 2067-2016
  • Verification Scheme of Measuring Instruments for Metallic Rockwell Hardness Verification
    China Metrological Standards
  • JJG 177-2016
  • (Verification Regulation of Cone Gauges) Verification
    China Metrological Standards
  • JJG 17-2016
  • (Bar scale Verification procedures) Verification
    China Metrological Standards
  • JJG 156-2016
  • (Verification of shelf balance) Verification
    China Metrological Standards
  • JJG 155-2016
  • (Operating capillary viscometer Verification procedure) Verification
    China Metrological Standards
  • JJG 133-2016
  • (Code for Verification of Capacity of Automobile Tank Car) Verification
    China Metrological Standards
  • JJG 1125-2016
  • (Verification Regulation of Vinyl Chloride Gas Detection Alarm) Verification
    China Metrological Standards
  • JJG 1022-2016
  • (Verification Regulation of Formaldehyde Gas Detector) Verification
    China Metrological Standards
  • JJG 1003-2016
  • (Verification of Flow Totalizer) Verification
    China Metrological Standards
  • JJF 2009-2016
  • (Radio frequency and microwave power measurement instrument Verification system table) Verification
    China Metrological Standards
  • JJF 1583-2016
  • (Standard Specification for Calibration of Natural Gas Filling Machine Verification Equipment) Verification
    China Metrological Standards
  • JJG 997-2015
  • Verification Regulation of Liquefied Petroleum Gas Dispenser Verification
    China Metrological Standards
  • JJG 967-2015
  • Verification Regulation of Calibrators for Headlamp Tester of Motor Vehicle Verification
    China Metrological Standards
  • JJG 957-2015
  • Verification Regulation of Logic Analyzers Verification
    China Metrological Standards
  • JJG 926-2015
  • Verification Regulation of Record Pressure Gauges, Pressure Vacuum Gauges and Vacuum Gauges Verification
    China Metrological Standards
  • JJG 913-2015
  • Verification Regulation of Buoy Type Oxygen Inhalers Verification
    China Metrological Standards
  • JJG 860-2015
  • Verification Regulation of Pressure Transducer (Static) Verification
    China Metrological Standards
  • JJG 856-2015
  • Verification Regulation of Radiation Thermometers Verification
    China Metrological Standards
  • JJG 814-2015
  • Verification Regulation of Automatic Potentiometric Titrators Verification
    China Metrological Standards
  • JJG 696-2015
  • Verification Regulation of Specular Gloss Meters and Gloss Plates Verification
    China Metrological Standards
  • JJG 686-2015
  • Verification Regulation of Hot Water Meters Verification
    China Metrological Standards
  • JJG 545-2015
  • Verification Regulation of Frequency Comparators Verification
    China Metrological Standards
  • JJG 536-2015
  • Verification Regulation of Polarimeter and Polarimetric Saccharimeters Verification
    China Metrological Standards
  • JJG 443-2015
  • Verification Regulation of Fuel Dispensers Verification
    China Metrological Standards
  • JJG 2061-2015
  • Verification Scheme of Measuring Instruments for Primary Chemical Purity Verification
    China Metrological Standards
  • JJG 2054-2015
  • Verification scheme of measuring instruments for vibration Verification
    China Metrological Standards
  • JJG 2037-2015
  • Verification Scheme of Measuring Instruments for Air-borne Sound Pressure Verification
    China Metrological Standards
  • JJG 2007-2015
  • Verification Scheme of Time and Frequency Measuring Instruments Verification
    China Metrological Standards
  • JJG 175-2015
  • Verification Regulation of Working Standard Microphones (Electrostatic Actuator Method) Verification
    China Metrological Standards
  • JJG 1121-2015
  • Verification Regulation of Vortex Precession Flowmeters Verification
    China Metrological Standards
  • JJG 1120-2015
  • Verification Regulation of High Voltage Switch Operation Characteristic Testers Verification
    China Metrological Standards
  • JJG 1118-2015
  • Verification Regulation of Electronic Truck Scale(Method of Load Measurement Apparatus of Electric Weighing Instrument) Verification
    China Metrological Standards
  • JJG 1113-2015
  • Verification facility for water meters Verification
    China Metrological Standards
  • JJG 1112-2015
  • (Relay tester Verification procedures) Verification
    China Metrological Standards
  • JJG 1111-2015
  • Verification Regulation of Measurement Machines for Wheel-Load of Railway Vehicles Verification
    China Metrological Standards
  • JJG 1108-2015
  • Verification Regulation of Railway Switch Offset Rules Verification
    China Metrological Standards
  • JJG 1105-2015
  • Verification Regulation of Ammonia Gas Detectors Verification
    China Metrological Standards
  • JJG 952-2014
  • Verification Regulation of Pupil Distance Meters Verification
    China Metrological Standards
  • JJG 887-2014
  • Verification Regulation of Standard Tapered Roller Tester Verification
    China Metrological Standards
  • JJG 776-2014
  • Verification Regulation for Microwave Radiation and Leakage Energy Measuring Instruments Verification
    China Metrological Standards
  • JJG 691-2014
  • Verification Regulation of Multi-Rate Electricity Meters for Measuring Alternating-current Electrical Energy Verification
    China Metrological Standards
  • JJG 629-2014
  • Verification Regulation for Polycrystalline X-ray Diffractometers Verification
    China Metrological Standards
  • JJG 569-2014
  • Verification Regulation of Electricity Meters with Maximum Demand Measurement Functions Verification
    China Metrological Standards
  • JJG 525-2014
  • Verification Regulation of Wedge-feet Calibrator for Micrometers Verification
    China Metrological Standards
  • JJG 449-2014
  • Verification Regulation of Octave-Band and Fractional-Octave-Band Filters Verification
    China Metrological Standards
  • JJG 431-2014
  • Verification Regulation of Portable 3-cup Anemometers Verification
    China Metrological Standards
  • JJG 349-2014
  • Verification Regulation of the Universal Counters Verification
    China Metrological Standards
  • JJG 22-2014
  • Verification Regulation of Internal Micrometers Verification
    China Metrological Standards
  • JJG 2060-2014
  • Verification Scheme of pH(acidity) Measuring Instruments Verification
    China Metrological Standards
  • JJG 2059-2014
  • Verification Scheme of Measuring Instruments for Electrolytic Conductivity Verification
    China Metrological Standards
  • JJG 139-2014
  • Verification regulation of Tension, Compression and Universal Testing Machines Verification
    China Metrological Standards
  • JJG 1103-2014
  • Verification Regulation of Standard Torque Wrench Verification
    China Metrological Standards
  • JJG 1102-2014
  • Verification Regulation of Installed Personnel α, β Surface Contamination Monitoring Assemblies Verification
    China Metrological Standards
  • JJG 1101-2014
  • Verification Regulation of Medical Diagnostic X-ray Source for Dental Panorama Verification
    China Metrological Standards
  • JJG 1098-2014
  • Verification Regulation of Medical Syringe Pump and Infusion Pump Analyzers Verification
    China Metrological Standards
  • JJG 1097-2014
  • Verification Regulation of Phoropters(Eye Chart Included) Verification
    China Metrological Standards
  • JJG 1096-2014
  • Verification Regulation of Detection Stations of the End-of-train Safety Equipment Host Verification
    China Metrological Standards
  • JJG 1095-2014
  • Verification Regulation of Environmental Noise Automatic Monitors Verification
    China Metrological Standards
  • JJG(YD)017-1992
  • Specification for Verification of medium frequency testers Verification
    China Metrological Standards
  • JJG(YD)016-1992
  • Specification for Verification of scalar quantity network analyzers Verification
    China Metrological Standards
  • JJG(YD)015-1992
  • Specification for Verification of modem testers Verification
    China Metrological Standards
  • JJG(YD)014-1992
  • Specification for Verification of telegraph signal testing instruments Verification
    China Metrological Standards
  • JJG(YD)013-1992
  • Specification for Verification of level oscillators Verification
    China Metrological Standards
  • JJG(YD)012-1992
  • Specification for Verification of frequency selecting level meters Verification
    China Metrological Standards
  • JJG(YD)011-1992
  • Specification for Verification of GX2B model power sensor Verification
    China Metrological Standards
  • JJG(QB)91-1992
  • (Carpet dynamic load meter Verification procedures) Verification
    China Metrological Standards
  • JJG(QB)88-1992
  • (Digital carpet thickness Verification procedures) Verification
    China Metrological Standards
  • JJG(JY)05-1992
  • (Electron paramagnetic resonance instrument Verification procedures increase) Verification
    China Metrological Standards
  • JJG(JG)0001-1992
  • Metrological Verification Regulation of Hot Ball shaped Anemometer Verification
    China Metrological Standards
  • JJG(JB)97-1992
  • (Rolling hard acceleration vibration measuring instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)85-1992
  • (Tapered roller diameter, angle, linear meter Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)84-1992
  • (J703 bearing sine meter Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)82-1992
  • (D802, D803, D804 type thrust ball bearing washers groove diameter measuring instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)81-1992
  • Specification for Verification of measurement meters of groove diameter and groove position of inner ring and outer ring of deep groove ball bearings and angular contact ball bearings Verification
    China Metrological Standards
  • JJG(JB)80-1992
  • (Industrial process measurement and control system with analog input digital finger-type instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)79-1992
  • (FDB-type peak meter Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)70-1992
  • (Impact truncated time measuring instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)109-1992
  • (Dynamic speed measuring instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(JB)101-1992
  • (Interfacial tension meter Verification procedures) Verification
    China Metrological Standards
  • JJG 799-1992
  • (CMM Verification procedures) Verification
    China Metrological Standards
  • JJG 798-1992
  • Verification Regulation of Standard artificial mastoids Verification
    China Metrological Standards
  • JJG 797-1992
  • Verification Regulation of Calibrating Instrument for Torque Wrenchs Verification
    China Metrological Standards
  • JJG 795-1992
  • Verification Regulation of Withstanding Voltage Tester Verification
    China Metrological Standards
  • JJG 794-1992
  • Verification Regulating of Standard Facility for Air Delivery Verification
    China Metrological Standards
  • JJG 793-1992
  • Verification Regulation of Standand Leak Verification
    China Metrological Standards
  • JJG 792-1992
  • Verification Regulation of Cantilever Beam Transever-sesensitivity Ratio Standard Set Verification
    China Metrological Standards
  • JJG 791-1992
  • Verification Regulation of Calibration Set of Shock Verification
    China Metrological Standards
  • JJG 790-1992
  • Verification Regulation of Standard Condenser Microphones Verification
    China Metrological Standards
  • JJG 788-1992
  • Verification Regulation of The α, β Standard Plane Source Verification
    China Metrological Standards
  • JJG 787-1992
  • Verification Regulation of Dynamomenter for Measuring Instrument Verification
    China Metrological Standards
  • JJG 786-1992
  • Verification Regulation of Combined Appearance Measuring Instrument Verification
    China Metrological Standards
  • JJG 785-1992
  • Verification Regulation of Instrument for Measuring Place and Parallel of Radial Ball Bering Outes Race Verification
    China Metrological Standards
  • JJG 784-1992
  • Verification Regulation of Radial Ball Bearing Sway Tester Verification
    China Metrological Standards
  • JJG 783-1992
  • Verification Regulation of Angle Measuring Instrument for Bearing Ring Verification
    China Metrological Standards
  • JJG 781-1992
  • Verification Regutation of Static Etectronic Rait-weighbridges Verification
    China Metrological Standards
  • JJG 780-1992
  • Verification Regulation of AC Digital Powermeter Verification
    China Metrological Standards
  • JJG 779-1992
  • Verification Regulation of Chcker of Speed and Milege Meter for Cars Verification
    China Metrological Standards
  • JJG 778-1992
  • Verification Regulation of Noise Level Statistical Analyzers Verification
    China Metrological Standards
  • JJG 773-1992
  • Verification Regulation of After Loading γ-Radiation Source for Brachytherapy Verification
    China Metrological Standards
  • JJG 771-1992
  • Verification Regulation of Hand held Radar Measuring Speed Meter Verification
    China Metrological Standards
  • JJG 770-1992
  • Verification Regulation of Koster Interference Comparator Verification
    China Metrological Standards
  • JJG 769-1992
  • Verification Regulation of Torque Standard Machine Verification
    China Metrological Standards
  • JJG 767-1992
  • Verification Regulation of Thin Gauge Block For Length from 0.05 up to 1mm Verification
    China Metrological Standards
  • JJG 766-1992
  • Verification Regulation of Angular Displacment Transmission Chain Error Tester Verification
    China Metrological Standards
  • JJG 765-1992
  • Verification Regulation of Flatness Standard Verification
    China Metrological Standards
  • JJG 764-1992
  • Verification Regulation of Vertical laser Metroscope Verification
    China Metrological Standards
  • JJG 763-1992
  • Verification Regulation of CTD/STD Measuring Instruments Verification
    China Metrological Standards
  • JJG 762-1992
  • Verification Regulation of Extensometers Verification
    China Metrological Standards
  • JJG 74-1992
  • Verification Regulation of Selfbalance Display Instruments Verification
    China Metrological Standards
  • JJG 456-1992
  • Verification Regulation of Pyrheliometer Verification
    China Metrological Standards
  • JJG 404-1992
  • Verification Regulation for Calibrater for Railway Track Gauging Rule Verification
    China Metrological Standards
  • JJG 37-1992
  • Verification Regulation of Sine Bars Verification
    China Metrological Standards
  • JJG 371-1992
  • Verification Regulation of Laser Gauge Block Interferometer Verification
    China Metrological Standards
  • JJG 35-1992
  • Verification Regulation of Dial Test Indicator Verification
    China Metrological Standards
  • JJG 305-1992
  • Verification Regulation of optical Rotry table Verification
    China Metrological Standards
  • JJG 30-1992
  • Verification Regulation of Vernier Caliper Verification
    China Metrological Standards
  • JJG 207-1992
  • Verification Regulation of Meteorological Liquid-in-glass Thermometers Verification
    China Metrological Standards
  • JJG 194-1992
  • Verification Regulation of Box Plate Verification
    China Metrological Standards
  • JJG 183-1992
  • Verification Regulation of Standard Capacitors Verification
    China Metrological Standards
  • JJG 160-1992
  • Verification Regulation of Standard Platinum Resistance Thermometer Verification
    China Metrological Standards
  • JJG 144-1992
  • Verification Regulation of Standard Dynamometer Verification
    China Metrological Standards
  • JJG(TZ)128-1991
  • (Nuclear humidity, density tester Verification procedures (Trial)) Verification
    China Metrological Standards
  • JJG(TZ)126-1991
  • (Level oscillator Verification procedures) Verification
    China Metrological Standards
  • JJG(SY)17-1991
  • Verification Regulation of Dritling Fluid Rotary Viscosineter Verification
    China Metrological Standards
  • JJG(SJ)18005-1991
  • (DA-1 electrical safety tester parameter Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)15015-1991
  • (1 ~ 2GHz microwave signal source Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)12037-1991
  • (DF5990A speaker resonance frequency meter Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)10002-1991
  • Specification for Verification of radio frequency pass through type medium power meters Verification
    China Metrological Standards
  • JJG(SJ)07010-1991
  • Specification for Verification of YH4032 model panoramic spectrum analyzers Verification
    China Metrological Standards
  • JJG(SJ)07009-1991
  • Specification for Verification of HP3577A model network analyzers Verification
    China Metrological Standards
  • JJG(SJ)05043-1991
  • Specification for Verification of CD-50 model universal bridges Verification
    China Metrological Standards
  • JJG(SJ)01006-1991
  • (PO20 timing of the receiver type and frequency calibration Verification procedures) Verification
    China Metrological Standards
  • JJG(QB)80-1991
  • (Watch gears, gems element of the projection model Verification procedures) Verification
    China Metrological Standards
  • JJG(QB)75-1991
  • (0.05 to 1 mm thin gauge block Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)107-1991
  • (Rubber parallel plate (William type) plastic meter Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)106-1991
  • (Rubber proportion of direct-reading instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(EJ)23-1991
  • (γ logging tool Verification procedures) Verification
    China Metrological Standards
  • JJG(EJ)19-1991
  • (Solid radium point source Verification procedures) Verification
    China Metrological Standards
  • JJG(EJ)15-1991
  • (Protection level β dose rate meter Verification procedures) Verification
    China Metrological Standards
  • JJG(EJ)14-1991
  • (Protection level X, γ dosimeter Verification procedures) Verification
    China Metrological Standards
  • JJG 92-1991
  • Verification Regulation of Uniwersal Gear Tester Verification
    China Metrological Standards
  • JJG 761-1991
  • Verification Regulation of Electrode Type Salinometer Verification
    China Metrological Standards
  • JJG 760-1991
  • Verification Regulation of Electro Cardiac Monitor Verification
    China Metrological Standards
  • JJG 758-1991
  • Verification Regulation of Lovibond Comparable Colorimeter Verification
    China Metrological Standards
  • JJG 757-1991
  • Verification Regulation for Ionometer Verification
    China Metrological Standards
  • JJG 756-1991
  • Verification Regulation of Working Standard Equipment for Optical Wedge Density Verification
    China Metrological Standards
  • JJG 755-1991
  • Verification Reguiation of Working Standard Equipment for UV Irradiance Verification
    China Metrological Standards
  • JJG 754-1991
  • Verification Regulation of Optical Transfer Function Measuring Equipment Verification
    China Metrological Standards
  • JJG 752-1991
  • Verification Regulation of Activity Standard Device for Ge-γ-ray Spectrometer Verification
    China Metrological Standards
  • JJG 751-1991
  • Verification Regulation of Activity Standard Device for 4πr Ionization Chamber Verification
    China Metrological Standards
  • JJG 750-1991
  • Verification Regulation of Speed and Milage Meter for Non-disintegrated Cars Verification
    China Metrological Standards
  • JJG 748-1991
  • Verification Regulation of Oscilloscopic Polarograph Verification
    China Metrological Standards
  • JJG 746-1991
  • Verification Regulation for Ultrasonic Inspection Instruments Verification
    China Metrological Standards
  • JJG 745-1991
  • Verification Regulation of Headlamp Tester for Motor Vehicle Verification
    China Metrological Standards
  • JJG 743-1991
  • Verification Regulation of Flow Cups Viscosimeter Verification
    China Metrological Standards
  • JJG 742-1991
  • Verification Regulation of Zngler Viscosimeter Verification
    China Metrological Standards
  • JJG 741-1991
  • Verification Regulation of Standard Steel Tape Verification
    China Metrological Standards
  • JJG 740-1991
  • Verification Regulation of Milling Straight Edge Verification
    China Metrological Standards
  • JJG 739-1991
  • Verification Regulation of Double Frequency Laser Interferometer Verification
    China Metrological Standards
  • JJG 738-1991
  • Verification Regulation of Taxi Meter Standard Equipment Verification
    China Metrological Standards
  • JJG 736-1991
  • Verification Regulation of Gas Laminar Flow Transducter Verification
    China Metrological Standards
  • JJG 735-1991
  • Verification Regulation of the Standard Dosimeter of Water Absorbed Dose for γ-Rays (Radiation Processing Level) Verification
    China Metrological Standards
  • JJG 733-1991
  • Verification Regulation of Working Standard Lamps for Total Luminous Flux Verification
    China Metrological Standards
  • JJG 732-1991
  • Verification Regulation of Working Standard Lamps for Luminous Intensity Verification
    China Metrological Standards
  • JJG 731-1991
  • Verification Regulation of Quantitative Automatic Weighing Instrument Verification
    China Metrological Standards
  • JJG 730-1991
  • Verification Regulation of the Diesel Engine Peak Pressure Indicator Verification
    China Metrological Standards
  • JJG 729-1991
  • Verification Regulation of Dynamic Relative Vacuum Apparatus (Grade Ⅱ) Verification
    China Metrological Standards
  • JJG 728-1991
  • Verification Regulation of Expansion Vacuum Apparatus (Grade I) Verification
    China Metrological Standards
  • JJG 727-1991
  • Verification Regulation of Working Standard of Piston Manometers Verification
    China Metrological Standards
  • JJG 726-1991
  • Verification Regulation of Standard Inductors Verification
    China Metrological Standards
  • JJG 725-1991
  • Verification Reulation of DC and LF Characterization Tester for Transistor Verification
    China Metrological Standards
  • JJG 724-1991
  • Verification Regulation of DC Digital Ohmmeter Verification
    China Metrological Standards
  • JJG 723-1991
  • Verification Regulation of Time Interval Generator Verification
    China Metrological Standards
  • JJG 722-1991
  • Verification Regulation of Standard Digital Clock Verification
    China Metrological Standards
  • JJG 721-1991
  • Verification Regulation of 500MHz Phase Noise Measurement Set (Phase Detector Method) Verification
    China Metrological Standards
  • JJG 720-1991
  • Verification Regulation of Wide Band Frequency Stability Measurement Set in Time Domain Verification
    China Metrological Standards
  • JJG 719-1991
  • Verification Regulation for Working Standard of directcurrent Electromotive force Verification
    China Metrological Standards
  • JJG 718-1991
  • Verification Regulation of Mobile Detecting Meter of Temperature Verification
    China Metrological Standards
  • JJG 717-1991
  • Verification Regulation of the Standard Total Radiation Pyrometer Verification
    China Metrological Standards
  • JJG 716-1991
  • Verification Regulation of 0~419. 527 Celsius Working Standard Platinum Resistance Thermometer Verification
    China Metrological Standards
  • JJG 715-1991
  • Verification Regulation for Water. Quality Synthetical Analyse Instrument Verification
    China Metrological Standards
  • JJG 71-1991
  • Verification Regulation of Standard Metallic Scale (GradeIII) Verification
    China Metrological Standards
  • JJG 68-1991
  • Verification Regulation of Working Disappearing. Filament of Optical Pyrometer Verification
    China Metrological Standards
  • JJG 347-1991
  • Verification Regulation of Standard Shorl Hardness Test Block Verification
    China Metrological Standards
  • JJG 346-1991
  • Verification Regulation of Shore Hardness Tester Verification
    China Metrological Standards
  • JJG 335-1991
  • Verification Regulation of Standard Vickers Microhardness Test Block Verification
    China Metrological Standards
  • JJG 273-1991
  • Verification Reguiation of Working Standard Weights Verification
    China Metrological Standards
  • JJG 272-1991
  • Verification Reguiation of Aneroid Barograph and Aneroid Barometer Verification
    China Metrological Standards
  • JJG 260-1991
  • Verification Regulation of Microhardometer Verification
    China Metrological Standards
  • JJG 247-1991
  • Verification Regulation of Incandescent Standard Lamp for Total Luminous Flux Verification
    China Metrological Standards
  • JJG 246-1991
  • Verification Regulation of Standard Lamp of Luminous Intensity Verification
    China Metrological Standards
  • JJG 245-1991
  • Verification Regulation of Illuminometer Verification
    China Metrological Standards
  • JJG 222-1991
  • Verification Regulation of Wheel Contour Gauge for Railway Locomotives and Vehicles Verification
    China Metrological Standards
  • JJG 22-1991
  • Verification Regulation of Internal Micrometer Verification
    China Metrological Standards
  • JJG 221-1991
  • Verification Regulation of Wheel Checker for Railway Locomotives and Vehicles Verification
    China Metrological Standards
  • JJG 218-1991
  • Verification Regulation of Working Standards for Inductance Verification
    China Metrological Standards
  • JJG 155-1991
  • Verification regulation of routine capillary viscometer Verification
    China Metrological Standards
  • JJG 152-1991
  • Verification Regulation of Metallic Superficial Rockwell Hardness Testing Machine Verification
    China Metrological Standards
  • JJG 151-1991
  • Verification Regulation of Metal Vickers Hardness Tester Verification
    China Metrological Standards
  • JJG 149-1991
  • Verification Regulation of Standard Superficial Rockwell Hardness Test Block Verification
    China Metrological Standards
  • JJG 148-1991
  • Verification Regulation of Standard Vickers Hardness Test Block Verification
    China Metrological Standards
  • JJG 147-1991
  • Verification Regulation of Standard Brinell Hardness Test Block Verification
    China Metrological Standards
  • JJG 131-1991
  • Verification Regulation of Electric Contact Mercury-in-Glass Thermometer Verification
    China Metrological Standards
  • JJG 126-1991
  • (Level oscillator Verification procedures) Verification
    China Metrological Standards
  • JJG 117-1991
  • Verification Regulation of Flat Plate Verification
    China Metrological Standards
  • JJG 113-1991
  • Verification Regulation of Metallic standard Rockwell Hardness Test Block Verification
    China Metrological Standards
  • JJG(YD)010-1990
  • Specification for Verification of data error analyzers Verification
    China Metrological Standards
  • JJG(YD)009-1990
  • Specification for Verification of pulse-echo test Verification
    China Metrological Standards
  • JJG(YD)008-1990
  • Specification for Verification of wave guide reflectometers Verification
    China Metrological Standards
  • JJG(YD)007-1990
  • Specification for Verification of microwave system analyzers Verification
    China Metrological Standards
  • JJG(YD)006-1990
  • Specification for Verification of white noise testing equipment Verification
    China Metrological Standards
  • JJG(YD)005-1990
  • Specification for Verification of XH3321A millihertz counters Verification
    China Metrological Standards
  • JJG(JB)23-1990
  • (The verticality of the end face of the bearing inner ring Calibrator Verification procedures hole) Verification
    China Metrological Standards
  • JJG 99-1990
  • Verification Regulation of Weights Verification
    China Metrological Standards
  • JJG 98-1990
  • Verification Regulation of Non-automatic Balance Verification
    China Metrological Standards
  • JJG 714-1990
  • Verification Regulation of Blood Cell Analyzer Verification
    China Metrological Standards
  • JJG 713-1990
  • Verification Regulation of Cyanide Meter using Direct Current Method Verification
    China Metrological Standards
  • JJG 712-1990
  • Verification Regulation of Electronic Level Verification
    China Metrological Standards
  • JJG 711-1990
  • Verification Regulation of Weirs and Flumes for Flow Measurement Verification
    China Metrological Standards
  • JJG 709-1990
  • Verification Regulation of a Motion Weighing Railway Track Scale Non Locomotive Traction Verification
    China Metrological Standards
  • JJG 708-1990
  • Verification Regulation of a Dial Railway Track Scale Verification
    China Metrological Standards
  • JJG 707-1990
  • Verification Regulation of Wrench for Measurement of Torque Verification
    China Metrological Standards
  • JJG 706-1990
  • Verification Regulation of Self-balance Display Instruments with Step-contral Verification
    China Metrological Standards
  • JJG 704-1990
  • Verification Regulation of Welding Measuring Rulers Verification
    China Metrological Standards
  • JJG 703-1990
  • Verification Regulation of Electro-magnetie Distance Measuring Instrument Verification
    China Metrological Standards
  • JJG 702-1990
  • Verification Regulation of Ships Liquid Cargo Tank Capacity Verification
    China Metrological Standards
  • JJG 701-1990
  • Verification Regulation of Melting-Point-Measuring Instruments with Capillary Method Verification
    China Metrological Standards
  • JJG 700-1990
  • Verification regulation of gas chromatograph Verification
    China Metrological Standards
  • JJG 699-1990
  • Verification Regulation of Integrating Sound Level meters Verification
    China Metrological Standards
  • JJG 698-1990
  • Verification Regulation Thermoluminescence Dosimetry Assembly for Environmental Monitoring of X of γ Radiation Verification
    China Metrological Standards
  • JJG 697-1990
  • Verification Regulation of Specular Gloss Plates Verification
    China Metrological Standards
  • JJG 696-1990
  • Verification Regulation of Specular Gloss Meters Verification
    China Metrological Standards
  • JJG 695-1990
  • Regulation of Verification for Hydrogen Sulfide Gas Analyzer Verification
    China Metrological Standards
  • JJG 693-1990
  • Verification Regulation of the Detector of Combustible Gases Verification
    China Metrological Standards
  • JJG 692-1990
  • Verification regulation of non-invasive automated sphygmomanometers Verification
    China Metrological Standards
  • JJG 69-1990
  • Verification Regulation of RF Q Standard Coil Verification
    China Metrological Standards
  • JJG 691-1990
  • Verification Regulation of Multilate Alternating-Current Watt-hour Meters Verification
    China Metrological Standards
  • JJG 690-1990
  • Verification Regulation of High Insulation Resistance Meter Verification
    China Metrological Standards
  • JJG 688-1990
  • Verification Regulation of Vehicle Exhaust Emission Measuring Instruments Verification
    China Metrological Standards
  • JJG 687-1990
  • Verification Regulation of Quantitative Filling Machine for Liquid State Material Verification
    China Metrological Standards
  • JJG 686-1990
  • Verification Regulation of Hot Meter Verification
    China Metrological Standards
  • JJG 685-1990
  • Verification Regulation of Relative Spectral Responsivity for Photoelectric Detector Verification
    China Metrological Standards
  • JJG 684-1990
  • Verification Regulation of Surface Platinum Resistance Thermometer Verification
    China Metrological Standards
  • JJG 683-1990
  • Verification Regulation of Barometric Altimeter Verification
    China Metrological Standards
  • JJG 682-1990
  • Verification Regulation of Double Beam UV-VIS Spectrophotometers Verification
    China Metrological Standards
  • JJG 681-1990
  • Verification Regulation of Dispersive Infrared Spectrophotometers Verification
    China Metrological Standards
  • JJG 680-1990
  • Verification Regulation of Measuring Apparatus for Dust Contentin Stack Verification
    China Metrological Standards
  • JJG 679-1990
  • Verification Regulation of cold Atomic Absorption Analyzer of Mercury Verification
    China Metrological Standards
  • JJG 677-1990
  • Verification regulation of interference type methane measuring device Verification
    China Metrological Standards
  • JJG 676-1990
  • Verification regulation of working measuring vibration instruments Verification
    China Metrological Standards
  • JJG 674-1990
  • Verification regulation of standard seawater Verification
    China Metrological Standards
  • JJG 671-1990
  • Verification Regulation of Instrument for Dynamical Measurement of Lead Screw Verification
    China Metrological Standards
  • JJG 670-1990
  • Verification Regulation of Tape for Measuring Circumference and Diameter of Flexible Part Verification
    China Metrological Standards
  • JJG 669-1990
  • Verification Regulation of Load Cell Verification
    China Metrological Standards
  • JJG 666-1990
  • Verification Regulation of Dead-Load Hardness Testing Machine in International Rubber Hardness Degree Verification
    China Metrological Standards
  • JJG 665-1990
  • Verification Regulation of Ultrasonic Power Meter for Milliwatt Level Verification
    China Metrological Standards
  • JJG 663-1990
  • Verification regulation for thermal conductivity hydrogen analyzer Verification
    China Metrological Standards
  • JJG 662-1990
  • Verification Regulation of Thermo-Magnetic Oxygen Analyzers Verification
    China Metrological Standards
  • JJG 66-1990
  • Verification Regulation of RF Capacitive Loss Standard Set Verification
    China Metrological Standards
  • JJG 661-1990
  • Verification Regulation of Flatness Interferometer with Isoclinic Circle fringe Verification
    China Metrological Standards
  • JJG 660-1990
  • Verification Regulation of Patten Area Measuring Instruments Verification
    China Metrological Standards
  • JJG 659-1990
  • Verification Regulation of Sampler for Airborne Particulate Matters (PM 10) Verification
    China Metrological Standards
  • JJG 658-1990
  • Verification Regulation of Instruments for Measuring the Moisture Content of Grain with Baking Method Verification
    China Metrological Standards
  • JJG 657-1990
  • Verification Regulation of Detector for Alcoholic Quantity from Breathing -out Gas Verification
    China Metrological Standards
  • JJG 656-1990
  • Verification Regulation of Nitrate Automatic Monitor Verification
    China Metrological Standards
  • JJG 655-1990
  • Verification regulation of noise dosimeters Verification
    China Metrological Standards
  • JJG 654-1990
  • Verification Regulation of Ultrasonic Hardness Testers Verification
    China Metrological Standards
  • JJG 653-1990
  • Verification Regulation of Power Measure Machine Verification
    China Metrological Standards
  • JJG 652-1990
  • Verification Regulation of Rotating Pure Bending Fatigue Testing Machines Verification
    China Metrological Standards
  • JJG 649-1990
  • Verification Regulation for Digital Weighing Indicator Verification
    China Metrological Standards
  • JJG 647-1990
  • Verification Regulation of Tanks and Barrels Verification
    China Metrological Standards
  • JJG 646-1990
  • Verification Regulation of Quantitative Adjustable Bipet Verification
    China Metrological Standards
  • JJG 645-1990
  • Verification Regulation of Ⅲ-mode Ultrasonic Flaw Detector for Rail Verification
    China Metrological Standards
  • JJG 644-1990
  • Verification Regulation of Vibration Displacement Trensducer Verification
    China Metrological Standards
  • JJG 642-1990
  • Verification Regulation of Spherical Metal Tank Capacity Verification
    China Metrological Standards
  • JJG 64-1990
  • Verification Regulation of Super-Low Frequency Signal Generator Verification
    China Metrological Standards
  • JJG 641-1990
  • Verification Regulation of Liquefied Petroleum Gas Tank Car Volume Verification
    China Metrological Standards
  • JJG 638-1990
  • Verification regulation of hydraulic vibration generater system Verification
    China Metrological Standards
  • JJG 637-1990
  • Verification Regulation of Calibration Vibrators of High Frequency Verification
    China Metrological Standards
  • JJG 635-1990
  • Regulation of Verification for carbon monooxide and carbon dioxide infrared gas analyzer Verification
    China Metrological Standards
  • JJG 633-1990
  • Verification Regulation of Gas Roots Flowmeter Verification
    China Metrological Standards
  • JJG 48-1990
  • Verification Regulation of Standard Slice of Single Crystal Silicon Resistivity Verification
    China Metrological Standards
  • JJG 47-1990
  • Verification Regulation of Wow Flutter Meter Verification
    China Metrological Standards
  • JJG 41-1990
  • Verification Regulation of Thread Measuring Wires Verification
    China Metrological Standards
  • JJG 39-1990
  • Verification Regulation of Comparator of Machinery Type Verification
    China Metrological Standards
  • JJG 254-1990
  • Verification Regulation of Compensation Voltmeter Verification
    China Metrological Standards
  • JJG 250-1990
  • Verification Regulation of Electronic Voltmeter Verification
    China Metrological Standards
  • JJG 235-1990
  • (Oval gear flow meter Verification procedures) Verification
    China Metrological Standards
  • JJG 213-1990
  • Verification Regulation of Distribution (Colour)Temperature of Standard Lamps Verification
    China Metrological Standards
  • JJG 212-1990
  • Verification Regulation of Colour Temperature Meters Verification
    China Metrological Standards
  • JJG 2089-1990
  • Verification Scheme of 60Coγ-ray water absorbed dose measuring instruments for radiation processing level Verification
    China Metrological Standards
  • JJG 2088-1990
  • Verification Scheme of Measuring instruments of energy for pulsed laser radiation Verification
    China Metrological Standards
  • JJG 2087-1990
  • Verification Scheme of Measuring Instruments for DC EMFS Verification
    China Metrological Standards
  • JJG 2086-1990
  • Verification Scheme of Measuring Instruments for AC Voltage Verification
    China Metrological Standards
  • JJG 2085-1990
  • Verification Scheme of Measuring Instruments for AC Power Verification
    China Metrological Standards
  • JJG 2084-1990
  • Verification Scheme Measuring Instruments for AC Current Verification
    China Metrological Standards
  • JJG 2083-1990
  • Verification Scheme of Measuring Instruments for Spectral Radiance and Irradiance Verification
    China Metrological Standards
  • JJG 2082-1990
  • Verification Scheme of Measuring Instruments for Power Frequency Current Ratio Verification
    China Metrological Standards
  • JJG 2081-1990
  • Verification Scheme of Measuring Instruments for Thermal Neutron Fluence Rate Verification
    China Metrological Standards
  • JJG 2080-1990
  • Verification Scheme of Measuring instruments for 14MeV neutron absorbed dose Verification
    China Metrological Standards
  • JJG 2079-1990
  • Verification Scheme of Measuring instruments for neutron source strength Verification
    China Metrological Standards
  • JJG 2078-1990
  • Verification Scheme of Measuring instruments for laser power Verification
    China Metrological Standards
  • JJG 2077-1990
  • Verification Scheme of Measuring Instruments for Pendulum Impact Energy Verification
    China Metrological Standards
  • JJG 2076-1990
  • Verification Scheme of Inductance Measuring Instruments Verification
    China Metrological Standards
  • JJG 2075-1990
  • Verification Scheme of Capacitance Measuring Instruments Verification
    China Metrological Standards
  • JJG 2074-1990
  • Verification Scheme of Measuring Instruments for Alternating Current Electrical Energy Verification
    China Metrological Standards
  • JJG 2073-1990
  • Verification Scheme of Measuring Instruments for Dissipation Factor Verification
    China Metrological Standards
  • JJG 2072-1990
  • Verification Scheme of Measuring instruments for shock acceleration Verification
    China Metrological Standards
  • JJG 2071-1990
  • Verification Scheme of Measuring Instruments for Pressure (-2. 5~2. 5kPa) Verification
    China Metrological Standards
  • JJG 2070-1990
  • Verification Scheme of 200~2500MPa Pressure Measuring Instruments Verification
    China Metrological Standards
  • JJG 2069-1990
  • Verification Scheme of Measuring Instruments for specular Gloss Verification
    China Metrological Standards
  • JJG 2068-1990
  • Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness Verification
    China Metrological Standards
  • JJG 2067-1990
  • Verification Scheme of Measuring Instruments for Metallic Rockwell Hardness Verification
    China Metrological Standards
  • JJG 2066-1990
  • Verification Scheme of Measuring Instruments for Large Force Verification
    China Metrological Standards
  • JJG 2065-1990
  • Verification Scheme of Measuring Instruments for Petroleum Thread Verification
    China Metrological Standards
  • JJG 2064-1990
  • Verification Scheme of Gas Flow Measuring Instruments Verification
    China Metrological Standards
  • JJG 2063-1990
  • Verification Scheme of Water Flow Measuring Instruments Verification
    China Metrological Standards
  • JJG 2062-1990
  • Verification Scheme of Temperature Measuring Instruments in the Range from 13.81 to 273.15K Verification
    China Metrological Standards
  • JJG 2061-1990
  • Verification Scheme of Primary Chemical Purity Verification
    China Metrological Standards
  • JJG 2060-1990
  • Verification Scheme of pH(acidity)Measuring Instruments Verification
    China Metrological Standards
  • JJG 2059-1990
  • Verification Scheme of the Conductometric Measuring Instruments Verification
    China Metrological Standards
  • JJG 2058-1990
  • Verification Scheme of Measuring Instruments for Heat of Combustion Verification
    China Metrological Standards
  • JJG 2057-1990
  • Verification Scheme of Plane Angle Measuring Instruments Verification
    China Metrological Standards
  • JJG 2056-1990
  • Verification Scheme for Length Measuring Instruments (Gauge Block) Verification
    China Metrological Standards
  • JJG 2055-1990
  • Verification Scheme of Measuring Instruments for Gear Verification
    China Metrological Standards
  • JJG 2054-1990
  • Verification Scheme of Measuring Instruments for Vibration Verification
    China Metrological Standards
  • JJG 2053-1990
  • Verification Scheme of Measuring Instruments for Mass Verification
    China Metrological Standards
  • JJG 2052-1990
  • Verification Scheme of Measuring Instruments for Magnetic Induction (Stationary Low Field) Verification
    China Metrological Standards
  • JJG 2051-1990
  • Verification Scheme of Measuring Instruments for the D.C. Resistancei0 10, , rn. Verification
    China Metrological Standards
  • JJG 2050-1990
  • Verification Scheme of Measuring Instruments for Ultrasonic Power Verification
    China Metrological Standards
  • JJG 2049-1990
  • Verification Scheme of Measuring Instruments for International Rubber Hardness Degree Verification
    China Metrological Standards
  • JJG 2048-1990
  • Verification Scheme of Measuring Instruments for 500~1000K Irradiance Scale Verification
    China Metrological Standards
  • JJG 2047-1990
  • Verification Scheme of Measuring Instruments for Torque Verification
    China Metrological Standards
  • JJG 2045-1990
  • Verification Scheme of Measuring Instruments for Force (≤1MN) Verification
    China Metrological Standards
  • JJG 202-1990
  • Verification Regulation of Autocollimator Verification
    China Metrological Standards
  • JJG 196-1990
  • Verification Regulation of General Volumetric Glass Verification
    China Metrological Standards
  • JJG 18-1990
  • Verification Regulation of Glass Syringes for Medical Use Verification
    China Metrological Standards
  • JJG 179-1990
  • Verification Regulation of Filter Photoelectric Colorimeter Verification
    China Metrological Standards
  • JJG 150-1990
  • Verification Regulation of Metal Brinell Hardness Tester Verification
    China Metrological Standards
  • JJG 129-1990
  • Verification Regulation of Standard Piston-Type Pressure Gauge (Grade I) Verification
    China Metrological Standards
  • JJG 121-1990
  • Verification Regulation of Video Noise Meter Verification
    China Metrological Standards
  • JJG 120-1990
  • Verification Regulation of Wave Form Monitor Verification
    China Metrological Standards
  • JJG(DZ)1007-1990
  • (Digital ion meter Verification procedures) Verification
    China Metrological Standards
  • JJG(YD)004-1989
  • Specification for Verification of wave guided noise generators Verification
    China Metrological Standards
  • JJG(YD)003-1989
  • Specification for Verification of ME62A model microwave testing devices Verification
    China Metrological Standards
  • JJG(YD)002-1989
  • Specification for Verification of wave guided standard mismatch load Verification
    China Metrological Standards
  • JJG(YD)001-1989
  • Specification for standard Verification of 1109 coaxial power transmission Verification
    China Metrological Standards
  • JJG(SJ)18004-1989
  • (HP4140B type picoamps meter / DC voltage source Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)15009-1989
  • Specification for Verification of QF1050 model standard signal generators Verification
    China Metrological Standards
  • JJG(SJ)12026-1989
  • (MK-611A VTR jitter measurement instrument Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)12022-1989
  • (VS13 type black and white television test card generator electronic Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)05028-1989
  • Trial specification for Verification of CO19 model standard inductance group Verification
    China Metrological Standards
  • JJG(SJ)04033-1989
  • (BJ3123-type bipolar logic IC tester Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)04032-1989
  • (BJ3122 (QL11) logic IC tester Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)04025-1989
  • (Q04-type medium power transistor switching device parameter measurement standard Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)04024-1989
  • Specification for Verification of BJ4801 model graphic instrument calibrators Verification
    China Metrological Standards
  • JJG(SJ)04023-1989
  • Specification for Verification of BJ2970 model high power semiconductor triode tf tester Verification
    China Metrological Standards
  • JJG(SJ)04022-1989
  • Specification for Verification of Q01 model high frequency low power triode transistor Ft standard measurement meters Verification
    China Metrological Standards
  • JJG(SJ)04021-1989
  • Specification for Verification of BJ3110 model MOS integrated circuit testers Verification
    China Metrological Standards
  • JJG(SJ)04020-1989
  • Specification for Verification of sample transistor specially intended to measure the noise factor of high frequency medium and low power triode transistor Verification
    China Metrological Standards
  • JJG(SJ)03008-1989
  • Specification for Verification of TEK7904 model 500MHz wide-band oscilloscopes Verification
    China Metrological Standards
  • JJG(SJ)03007-1989
  • Specification for Verification of SL4 model logic oscilloscopes Verification
    China Metrological Standards
  • JJG(SJ)03006-1989
  • Specification for Verification of XJ4245 model stereo oscilloscopes Verification
    China Metrological Standards
  • JJG(SJ)02007-1989
  • Specification for Verification of 2627 model preamplifiers Verification
    China Metrological Standards
  • JJG(SJ)01004-1989
  • Specification for Verification of AD5122 microwave group delay measuring sets Verification
    China Metrological Standards
  • JJG(SJ)01002-1989
  • (QF16101GAJF 5MHz voltage controlled crystal oscillator Verification procedures) Verification
    China Metrological Standards
  • JJG(QB)5-1989
  • (Fork measurement accuracy Verification procedures bike around the shaft) Verification
    China Metrological Standards
  • JJG(QB)26-1989
  • (Axis sensitivity photoelectric counter after Verification procedures bike) Verification
    China Metrological Standards
  • JJG(QB)20-1989
  • (Bicycle stress test weight Verification procedures) Verification
    China Metrological Standards
  • JJG(QB)10-1989
  • (Bicycle runout adjuster Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)6-1989
  • (Totalizer Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)35-1989
  • (Totalizer Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)3-1989
  • (All-electronic transmitter Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)27-1989
  • (Alarm Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)24-1989
  • (Electric valve positioner Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)23-1989
  • (Electrical converters Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)20-1989
  • (Regulators Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)12-1989
  • (Electrical converters Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)1-1989
  • (Regulators Verification procedures) Verification
    China Metrological Standards
  • JJG(HG)10-1989
  • (Q-type operator Verification procedures) Verification
    China Metrological Standards
  • JJG 91-1989
  • Verification Regulation of Base Circle Involute and Helix Gear Tester Verification
    China Metrological Standards
  • JJG 645-1989
  • Verification Regulation of III-mode Ultrasonic Flaw Detector for Rail Verification
    China Metrological Standards
  • JJG 632-1989
  • Verification Regulation of Dynamic Force Sensors Verification
    China Metrological Standards
  • JJG 631-1989
  • Verification Regulation for Ammonia Automatic Monitor Verification
    China Metrological Standards
  • JJG 629-1989
  • Verification Regulation for Polycrystalline X-Ray Diffractometer Verification
    China Metrological Standards
  • JJG 628-1989
  • Verification Regulation of Direct Reading Current Meter Model SLC9 Verification
    China Metrological Standards
  • JJG 627-1989
  • Verification Regulation of the Printing Curret Meter Verification
    China Metrological Standards
  • JJG 626-1989
  • Verification Regulation of Instrument for Measuring Axial Clearance of Ball Bearing Verification
    China Metrological Standards
  • JJG 624-1989
  • Verification Regulation of Dynamic Calibration of Pressure Transducer Verification
    China Metrological Standards
  • JJG 623-1989
  • Verification Regulation of Resistance Strain Gauge Indicator Verification
    China Metrological Standards
  • JJG 619-1989
  • Verification Regulation of Gas Flow Calibration Facility to p. V. T. t Technique Verification
    China Metrological Standards
  • JJG 615-1989
  • Verification Regulation of Retail Appliance for Vegtable Oil Verification
    China Metrological Standards
  • JJG 614-1989
  • Verification Regulation of Secondary Standard Mercury Barometer Verification
    China Metrological Standards
  • JJG 613-1989
  • Verification Regulation of Contact Anemorumbometer Verification
    China Metrological Standards
  • JJG 612-1989
  • Verification Regulation of Siphon Rainfan Recorder Verification
    China Metrological Standards
  • JJG 610-1989
  • Verification Regulation of Barcal Impressor Verification
    China Metrological Standards
  • JJG 608-1989
  • Verification Regulation of Cantilever-Beam(Izod-Type)Impact Testing Machine Verification
    China Metrological Standards
  • JJG 607-1989
  • Verification Regulation of audio-frequency signal generator Verification
    China Metrological Standards
  • JJG 605-1989
  • Verification Regulation of Calibrator for Railway Offset Gauge Verification
    China Metrological Standards
  • JJG 604-1989
  • Verification Regulation of Special Material Measure for Gauge for Measuring Distance Between Inside Rim Faces of Railway Wheels Verification
    China Metrological Standards
  • JJG 601-1989
  • Verification Regulation of Electronic Millisecondmeter Calibrator and Stopwatch Calibrator Verification
    China Metrological Standards
  • JJG 600-1989
  • Verification Regulation of Storage Oscilloscope Verification
    China Metrological Standards
  • JJG 599-1989
  • Verification regulation of Low Distortion Oscillator Verification
    China Metrological Standards
  • JJG 598-1989
  • Verification regulation of DC Digital Amperemetor Verification
    China Metrological Standards
  • JJG 597-1989
  • Verification Regulation of Verification Equipment for AC Electrical Energy Meter Verification
    China Metrological Standards
  • JJG 595-1989
  • Verification Regulation of Colori-meter and Color Differences Meter Verification
    China Metrological Standards
  • JJG 594-1989
  • Verification regulation of for Pocket Hardness Meter of International Rubber Hardness Degree Verification
    China Metrological Standards
  • JJG 593-1989
  • Verification Regulation of Thermoluminescence Dosimetry Assembly for Personal Monioring of X or γ Radiation Verification
    China Metrological Standards
  • JJG 590-1989
  • (60-250kVX ray radiation treatment Verification procedures) Verification
    China Metrological Standards
  • JJG 586-1989
  • Verification Regulation of Soap Film Standard Facility on Gases Flow Verification
    China Metrological Standards
  • JJG 585-1989
  • Verification Regulation of Water Meters at High Pressure Verification
    China Metrological Standards
  • JJG 567-1989
  • Verification Regulation for Test Weight Cars of Railway Track Scale Verification
    China Metrological Standards
  • JJG 437-1989
  • Verification Regulation of Modulation Meter Verification
    China Metrological Standards
  • JJG 36-1989
  • Verification Regulation of Bore Dial Indicator Verification
    China Metrological Standards
  • JJG 304-1989
  • Verification Regulation of Shore Hardness Tester Verification
    China Metrological Standards
  • JJG 259-1989
  • Verification Regulation of Standard Metal Tank Verification
    China Metrological Standards
  • JJG 211-1989
  • Verification Regulation of Luminance Meter Verification
    China Metrological Standards
  • JJG 2044-1989
  • Verification Scheme of Measuring Instruments for γ-Ray Exposure Verification
    China Metrological Standards
  • JJG 2043-1989
  • Verification Scheme of Measuring Instruments for Exposure of 60~250kV X-Ray (Radiotherapy Level) Verification
    China Metrological Standards
  • JJG 2042-1989
  • Verification Scheme of Liquid scintillation measuring instruments for radioactivity measurment Verification
    China Metrological Standards
  • JJG 2041-1989
  • Verification Scheme of Measuring instruments for measurments of α, β surface contamination Verification
    China Metrological Standards
  • JJG 2040-1989
  • Verification Scheme of Measuring instruments for activity of medical radionuclide Verification
    China Metrological Standards
  • JJG 2039-1989
  • Verification Scheme of Measuring instruments for high accuracy measuring of activity and photon emission rate Verification
    China Metrological Standards
  • JJG 2038-1989
  • Verification Scheme of Measuring Instruments for Audiometry Verification
    China Metrological Standards
  • JJG 2037-1989
  • Verification Scheme of Measuring Instruments for Air Acoustics Pressure Verification
    China Metrological Standards
  • JJG 2036-1989
  • Verification Scheme of Measuring Instruments for Low Light Level Photometric Verification
    China Metrological Standards
  • JJG 2035-1989
  • Verification Scheme of Measuring Instruments for Total Luminous Flux Verification
    China Metrological Standards
  • JJG 2034-1989
  • Verification Scheme of Measuring Instruments for Luminous Intensity Verification
    China Metrological Standards
  • JJG 2033-1989
  • Verification Scheme of Measuring Instruments for Luminance Verification
    China Metrological Standards
  • JJG 2032-1989
  • Verification Scheme of Measuring Instruments for Illuminance Verification
    China Metrological Standards
  • JJG 2031-1989
  • Verification Scheme of Measuring Instruments for Light Exposure Verification
    China Metrological Standards
  • JJG 2030-1989
  • Verification Scheme of Measuring Instruments for Colour Temperature (Distribution Temperature) Verification
    China Metrological Standards
  • JJG 2029-1989
  • Verification Scheme of Measuring Instruments for Chromaticity Verification
    China Metrological Standards
  • JJG 2025-1989
  • Verification Scheme of Measuring Instruments for Microhardness Verification
    China Metrological Standards
  • JJG 2024-1989
  • Verification Scheme of Measuring Instruments for Capacity Verification
    China Metrological Standards
  • JJG 2023-1989
  • Verification Scheme Measuring Instrunents for Manometers Verification
    China Metrological Standards
  • JJG 2022-1989
  • Verification Scheme of Measuring Instruments for Vacuum Verification
    China Metrological Standards
  • JJG 2021-1989
  • Verification Scheme of Magnetic Flux Measurer Verification
    China Metrological Standards
  • JJG 2020-1989
  • Verification Scheme of 273.15~903.89K Temperature Measuring Instruments Verification
    China Metrological Standards
  • JJG 20-1989
  • Verification Regulation of Standard Capacity Measure(glass) Verification
    China Metrological Standards
  • JJG 2019-1989
  • Verification Scheme of Measuring Instruments for Flantness Verification
    China Metrological Standards
  • JJG 2018-1989
  • Verification Scheme of Measuring Instruments for Surface Roughness Verification
    China Metrological Standards
  • JJG 181-1989
  • Verification Regulation of High Stable Quartz Crystal Oscillator Verification
    China Metrological Standards
  • JJG 111-1989
  • Verification Regulation of Clinical Thermometer Verification
    China Metrological Standards
  • JJG 102-1989
  • (Surface roughness comparison model Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)07004-1988
  • (DO29-type receiver calibration Verification procedures Trial) Verification
    China Metrological Standards
  • JJG(SJ)05020-1988
  • Trial specification for Verification of GR1658 model RLC digital electric bridges Verification
    China Metrological Standards
  • JJG(QJ)51-1988
  • (AC standard current source Verification procedures) Verification
    China Metrological Standards
  • JJG 583-1988
  • Verification Regulation of Cupping Testing Machine Verification
    China Metrological Standards
  • JJG 582-1988
  • (10-60kVX therapeutic levels of radiation dosimeter Verification procedures) Verification
    China Metrological Standards
  • JJG 576-1988
  • Verification Regulation of Working Tungsten-Rhenium Thermocouple Verification
    China Metrological Standards
  • JJG 574-1988
  • Verification Regulation of Impression Tonometers Verification
    China Metrological Standards
  • JJG 573-1988
  • Verification Regulation of Capsule Pressure Gauges Verification
    China Metrological Standards
  • JJG 572-1988
  • Verification Regulation of the Electronic -Automatic Balanced Recorder With PID -Action Verification
    China Metrological Standards
  • JJG 571-1988
  • Verification Regulation of Measuring Microscope Verification
    China Metrological Standards
  • JJG 570-1988
  • Verification Regulation of Capacitance Comparator Verification
    China Metrological Standards
  • JJG 569-1988
  • Verification Regulation of Alternating-Current Watt-Hour Meters with Maximum Demand Indicator Verification
    China Metrological Standards
  • JJG 568-1988
  • Verification Regulation of Wear Gauge for Fixed Railway Frog Verification
    China Metrological Standards
  • JJG 565-1988
  • Verification Regulation of Electronic Predetermined Weight Scale for Bulk Grain Verification
    China Metrological Standards
  • JJG 564-1988
  • Verification Regulation of Machine Batching Scale Verification
    China Metrological Standards
  • JJG 563-1988
  • Verification Regulation of High Voltage Capacitance Bridge Verification
    China Metrological Standards
  • JJG 562-1988
  • Verification regulation of Model DCHY -801 Near -Zone Electric -Field Measuring Instruments Verification
    China Metrological Standards
  • JJG 561-1988
  • Verification regulation of Model RJ-3 Near -Zone Electric -Field Measuring Instruments Verification
    China Metrological Standards
  • JJG 560-1988
  • Verification Regulation of Suspend Hand Electronic Beltseale Verification
    China Metrological Standards
  • JJG 559-1988
  • Verification regulation of speed and mileage metre for cars Verification
    China Metrological Standards
  • JJG 558-1988
  • Verification Regulation of The Measure for Drinking Verification
    China Metrological Standards
  • JJG 557-1988
  • Verification Regulation of Standard Torsionmeter Verification
    China Metrological Standards
  • JJG 556-1988
  • Verification Regulation of Axial Load Fatigue Testing Machines Verification
    China Metrological Standards
  • JJG 554-1988
  • Verification Regulation of Chromatic Luminance Meter Verification
    China Metrological Standards
  • JJG 553-1988
  • Verification regulation of blood gas acid. Base analyser Verification
    China Metrological Standards
  • JJG 552-1988
  • Verification Regulation of the Chambers for Counting Blood Cells Verification
    China Metrological Standards
  • JJG 551-1988
  • Verification Regulation of Sulfur Dioxide Analyzer Verification
    China Metrological Standards
  • JJG 550-1988
  • Verification Regulation of Scanning Electron Microscope Verification
    China Metrological Standards
  • JJG 549-1988
  • Verification regulation of square wave polarograph Verification
    China Metrological Standards
  • JJG 548-1988
  • Verification Regulation of cold Atomic Fluorometer For Determination of Mercury Verification
    China Metrological Standards
  • JJG 547-1988
  • Verification Regulation of Dust Particles Counter Verification
    China Metrological Standards
  • JJG 546-1988
  • Verification Regulation of DC Comparison Bridge Verification
    China Metrological Standards
  • JJG 545-1988
  • Verification Regulation of Frequency Comparator Verification
    China Metrological Standards
  • JJG 541-1988
  • Verification Regulation of Body Type Shock Testing Machine Verification
    China Metrological Standards
  • JJG 540-1988
  • Verification Regulation of Liquid Manometer for Working Verification
    China Metrological Standards
  • JJG 538-1988
  • Verification Regulation of Fluorescence Photometer Verification
    China Metrological Standards
  • JJG 537-1988
  • Verification Regulation of Fluorescence Spectro Photometer Verification
    China Metrological Standards
  • JJG 535-1988
  • Verification Regulation of Zirconia Oxygen Analyzer Verification
    China Metrological Standards
  • JJG 534-1988
  • Verification Regulation of Model 1107-1~1107-5Series Waveguide RF Power Transfer Standard Verification
    China Metrological Standards
  • JJG 533-1988
  • Verification Regulation for Standard Calibrator of Strain Analogue Quantity Verification
    China Metrological Standards
  • JJG 532-1988
  • Verification Regulation of Waveguide Standard Load at X-band Verification
    China Metrological Standards
  • JJG 531-1988
  • Verification Regulation of the DC Resistive Volt Ratio Box Verification
    China Metrological Standards
  • JJG 529-1988
  • Verification Regulation of Randon Vibration Test System Verification
    China Metrological Standards
  • JJG 528-1988
  • Verification Regulation of Handheld Radar Measuring Speedometer Verification
    China Metrological Standards
  • JJG 527-1988
  • Verification Regulation of Angled Nozzle Kadar Measuring Speedometer Verification
    China Metrological Standards
  • JJG 526-1988
  • Verification Regulation of Digital Display Caliper Verification
    China Metrological Standards
  • JJG 525-1988
  • Verification Regulation of Wedge-feed Colibrator for Minimeter Verification
    China Metrological Standards
  • JJG 524-1988
  • Verification Regulation of Raingauge and Measuring Cylinder Verification
    China Metrological Standards
  • JJG 523-1988
  • Verification Regulation of QDZ-II Pneumatic Modular Instrument Units Verification
    China Metrological Standards
  • JJG 521-1988
  • Verification Regulation of X or γ Radiation Meters for Environmontal Monitoring Absorbed Dose Rate in Air Verification
    China Metrological Standards
  • JJG 520-1988
  • Verification Regulation of Dust Sampler Verification
    China Metrological Standards
  • JJG 519-1988
  • Verification Regulation of Offset Gauge for Railway Verification
    China Metrological Standards
  • JJG 307-1988
  • Verification Regulation of Alternating Current Watthour Meters Verification
    China Metrological Standards
  • JJG 276-1988
  • Verification Regulation of High-Temperature Creep and Stress-Rupture Testing Machine Verification
    China Metrological Standards
  • JJG 258-1988
  • Verification Regulation of Horizotal Spiral Blade Water Meter Verification
    China Metrological Standards
  • JJG 23-1988
  • Verification Regulation of Inside Micrometers Verification
    China Metrological Standards
  • JJG 103-1988
  • Verification Regulation of Coincidence Level Verification
    China Metrological Standards
  • JJG(SJ)12007-1987
  • (XT-13 pilot signal generator synchronous coding Verification procedures) Verification
    China Metrological Standards
  • JJG(SJ)04011-1987
  • Trial specification for Verification of QG21-QG25 high frequency low-power transistor F testers Verification
    China Metrological Standards
  • JJG(SJ)04001-1987
  • Trial specification for Verification of JS-2C model transistor reverse cut-off current testers Verification
    China Metrological Standards
  • JJG(QJ)42-1987
  • (Impedance meter Verification procedures) Verification
    China Metrological Standards
  • JJG(QJ)27-1987
  • (Modulation meter Verification procedures) Verification
    China Metrological Standards
  • JJG 87-1987
  • Verification Regulation of Tester for Milling Cutter after Grinding Verification
    China Metrological Standards
  • JJG 516-1987
  • Verification regulation of model BJ2920 (HQ2) digital DC characterization tester for bipolor transister Verification
    China Metrological Standards
  • JJG 515-1987
  • Verification regulation of portable induction anemometer Verification
    China Metrological Standards
  • JJG 514-1987
  • Verification Regulation of Micro Pipets Verification
    China Metrological Standards
  • JJG 513-1987
  • Verification regulation of direct-reading electroscope type personal dosemeter Verification
    China Metrological Standards
  • JJG 511-1987
  • Verification Regulation of Low Light Level Illuminance Meter Verification
    China Metrological Standards
  • JJG 509-1987
  • Verification Regulation of Digit Industrial Frequency Meter Model PP27 Verification
    China Metrological Standards
  • JJG 508-1987
  • Verification Regulation of Resistivity Measuring Instruments with Four-Prope Array Method Verification
    China Metrological Standards
  • JJG 507-1987
  • Verification Regulation of Step Attenuators Verification
    China Metrological Standards
  • JJG 506-1987
  • Verification Regulation of DC Comparator Bridge Verification
    China Metrological Standards
  • JJG 505-1987
  • Verification Regulation of D. C. Comparator Potentiometer Verification
    China Metrological Standards
  • JJG 504-1987
  • Verification regulation of model CLX-2/CLX-20A/B parallel-plate coaxial slotted line with big size connector Verification
    China Metrological Standards
  • JJG 503-1987
  • Verification regulation of model PB-2 decimal frequency meter Verification
    China Metrological Standards
  • JJG 502-1987
  • Verification Regulation of Frequency Synthesizer Verification
    China Metrological Standards
  • JJG 500-1987
  • Verification Regulation of Analytical Instrument of Trace Water by Electrolytic Method Verification
    China Metrological Standards
  • JJG 499-1987
  • Verification Regulation of Precision Dewpoint Hygrometer Verification
    China Metrological Standards
  • JJG 495-1987
  • Verification Regulation of the DC Magnetoelectric Galvanometer Verification
    China Metrological Standards
  • JJG 493-1987
  • Verification regulation for audio magnetic properties of standard specimen of soft magnetic materials (A-C magnetization curne and amplitude permeability) Verification
    China Metrological Standards
  • JJG 492-1987
  • Verification Regulation of Cesium Beam Frequency Standard Verification
    China Metrological Standards
  • JJG 491-1987
  • Verification regulation of 1GHz sampling oscilloscope Verification
    China Metrological Standards
  • JJG 487-1987
  • Verification Regulation of the three Steps Balance Double Bridge Verification
    China Metrological Standards
  • JJG 486-1987
  • Verification Regulation of Microadjustment Resistance Box Verification
    China Metrological Standards
  • JJG 485-1987
  • Verification Regulation of Universal Ratio Bridge Verification
    China Metrological Standards
  • JJG 484-1987
  • Verification Regulation of the DC Bridges for Measuring Temperature Verification
    China Metrological Standards
  • JJG 483-1987
  • Verification Regulation of Psophometer Verification
    China Metrological Standards
  • JJG 482-1987
  • Verification Regulation of Standard Condenser Microphones (Free-Field Reciprocity Method) Verification
    China Metrological Standards
  • JJG 480-1987
  • Verification Regulation of X-Ray Thickness Gauge Verification
    China Metrological Standards
  • JJG 32-1987
  • Verification Regulation of Vernier Depth Gauge Verification
    China Metrological Standards
  • JJG 25-1987
  • Verification Regulation of Screw Thread Micrometer Verification
    China Metrological Standards
  • JJG 2017-1987
  • Verification Scheme of Measuring Instruments for Underwater Sound Pressure Verification
    China Metrological Standards
  • JJG 2016-1987
  • Verification Scheme of Viscosity Measuring Instruments Verification
    China Metrological Standards
  • JJG 2015-1987
  • Verification Scheme of Pulse Waveform Parameter Measuring Instruments Verification
    China Metrological Standards
  • JJG 2014-1987
  • Verification scheme of radion frequency and microwave noise measuring instruments Verification
    China Metrological Standards
  • JJG 2013-1987
  • Verification scheme of the RF and microwave phase shift measuring instruments Verification
    China Metrological Standards
  • JJG 2012-1987
  • Verification scheme of 3cm impedance measuring instruments Verification
    China Metrological Standards
  • JJG 2011-1987
  • Verification scheme of RF impedance measuring instruments Verification
    China Metrological Standards
  • JJG 2010-1987
  • Verification Scheme of RF and Microwave Attenuation Measuring Instruments Verification
    China Metrological Standards
  • JJG 2009-1987
  • Verification scheme of RF and microwave power measuring instruments Verification
    China Metrological Standards
  • JJG 2008-1987
  • Verification scheme of RF voltage measuring instruments Verification
    China Metrological Standards
  • JJG 2007-1987
  • Verification System of Time and Frequency Measuring Instruments Verification
    China Metrological Standards
  • JJG 2006-1987
  • National Verification Scheme for Measuring Instruments of Nardness Testing on Shore Scale D Verification
    China Metrological Standards
  • JJG 2005-1987
  • Verification scheme of measuring instruments for Brinell Hardness Testers Verification
    China Metrological Standards
  • JJG 2004-1987
  • Verification scheme of radiation thermometers Verification
    China Metrological Standards
  • JJG 2003-1987
  • Verification scheme of thermocouples Verification
    China Metrological Standards
  • JJG 2002-1987
  • Verification scheme of measuring instruments for taper gauges Verification
    China Metrological Standards
  • JJG 2001-1987
  • Verification scheme of line measuring instruments Verification
    China Metrological Standards
  • JJG 16-1987
  • Verification regulation of postal scale Verification
    China Metrological Standards
  • JJG 134-1987
  • Verification Regulation of Magne-toelectric Type Velocity Transducer Verification
    China Metrological Standards
  • JJG 133-1987
  • Verification Regulation of Tank Car Volume Verification
    China Metrological Standards
  • JJG 12-1987
  • Verification Regulation of Graduated Cantrifuge Tubes, Graduated Test Tubes Blood Sugar Tubes and Blood Digestion Tubes Verification
    China Metrological Standards
  • JJG 11-1987
  • Verification Regulation of Color Tubes Verification
    China Metrological Standards
  • JJG 10-1987
  • Verification Regulation of Ostwald Folin Pipettes Verification
    China Metrological Standards
  • JJG 96-1986
  • Verification Regulation of Small Module Dual-Flank Gear Rolling Tester Verification
    China Metrological Standards
  • JJG 95-1986
  • Verification regulation of single-flank gear rolling tester Verification
    China Metrological Standards
  • JJG 89-1986
  • (Long flat crystal Verification procedures) Verification
    China Metrological Standards
  • JJG 7-1986
  • Verification Regulation of Scale Square Verification
    China Metrological Standards
  • JJG 65-1986
  • Verification Regulation of Gear Hob Tester Verification
    China Metrological Standards
  • JJG 479-1986
  • Verification Regulation of X Radiation Protection Instruments Verification
    China Metrological Standards
  • JJG 474-1986
  • Verification regulation of universal testing machine for wood Verification
    China Metrological Standards
  • JJG 471-1986
  • Verification Regulation of Bearing Inside and Outside Diameter Tester Verification
    China Metrological Standards
  • JJG 470-1986
  • Verification Regulation of Instrument for Measuring Radial Clearance of Rolling Bearing Verification
    China Metrological Standards
  • JJG 469-1986
  • Verification Regulation of Speedmeter on Locomotives Verification
    China Metrological Standards
  • JJG 468-1986
  • Verification Regulation of Kilometrage Counter on Locomotives Verification
    China Metrological Standards
  • JJG 467-1986
  • Verification regulation of precision bore diameter measuring instrument Verification
    China Metrological Standards
  • JJG 465-1986
  • Verification regulation of spherometer special-gauge Verification
    China Metrological Standards
  • JJG 463-1986
  • (Shunt rotor steam flow meter Verification procedures) Verification
    China Metrological Standards
  • JJG 462-1986
  • Verification Regulation of Secondary Standard Ionization Vacuum Gauge Verification
    China Metrological Standards
  • JJG 461-1986
  • Verification Regulation of Target (Bluff Body)Type Flow Transducer Verification
    China Metrological Standards
  • JJG 460-1986
  • Verification Regulation for Railway Mechanical Track Scale in Static Weighing with Grating-digital Display Verification
    China Metrological Standards
  • JJG 459-1986
  • Verification regulation of microammeter for radiation instruments Verification
    China Metrological Standards
  • JJG 457-1986
  • Verification regulation of single tube mercury manometer Verification
    China Metrological Standards
  • JJG 454-1986
  • Verification regulation of spherical indenters for hardness testers Verification
    China Metrological Standards
  • JJG 453-1986
  • Verification Regulation of Reflecting Colour Standard Plates Verification
    China Metrological Standards
  • JJG 452-1986
  • Verification Regulation of Standard of Black-White Photographic Density Tablet Verification
    China Metrological Standards
  • JJG 45-1986
  • (Vertical and horizontal optical meter Verification procedures) Verification
    China Metrological Standards
  • JJG 451-1986
  • Verification regulation of standardmeter for store liquid Verification
    China Metrological Standards
  • JJG 450-1986
  • Verification regulation of fruit pressure tester Verification
    China Metrological Standards
  • JJG 447-1986
  • Verification regulation of coaxial transfer standard mount models Verification
    China Metrological Standards
  • JJG 446-1986
  • Verification regulation of model 931B RMS differential voltmeter Verification
    China Metrological Standards
  • JJG 445-1986
  • Verification regulation of DC standard voltage source Verification
    China Metrological Standards
  • JJG 444-1986
  • Verification Regulation of Master Railway Truck Scales Verification
    China Metrological Standards
  • JJG 442-1986
  • Verification regulation of UHF television sweep scope Verification
    China Metrological Standards
  • JJG 44-1986
  • Verification Regulation of Calibrator for Minimeter Verification
    China Metrological Standards
  • JJG 440-1986
  • Verification Regulation of 50Hz Single-phase Phasometer Verification
    China Metrological Standards
  • JJG 439-1986
  • Verification regulation of intermediate frequency precision waveguide below cut-off attenuator Verification
    China Metrological Standards
  • JJG 438-1986
  • Verification Regulation of Standard Signal Generator Type XG-2 Verification
    China Metrological Standards
  • JJG 436-1986
  • Verification Regulation of Alternating-Current Watthour Meters for Electric Locomotive Verification
    China Metrological Standards
  • JJG 435-1986
  • Verification regulation of coaxial mid-pour mount with attenuator Verification
    China Metrological Standards
  • JJG 434-1986
  • Verification regulation of TV colour subcarrier frequency comparator Verification
    China Metrological Standards
  • JJG 433-1986
  • Verification Regulation of Phase Comparator Verification
    China Metrological Standards
  • JJG 432-1986
  • Verification Regulation for Pressure Measuring Device Electrically Indicated on Diesel Locomotives Verification
    China Metrological Standards
  • JJG 431-1986
  • Verification Regulation of Portable 3-Cup Anemometer Type DEM6 Verification
    China Metrological Standards
  • JJG 430-1986
  • Verification Regulation of Lead Tester of Gear Verification
    China Metrological Standards
  • JJG 429-1986
  • (Roundness measuring instrument Verification procedures) Verification
    China Metrological Standards
  • JJG 428-1986
  • Verification Regulation of Plane Table Verification
    China Metrological Standards
  • JJG 427-1986
  • Verification Regulation of Micrometers with Gauge Scale Division of 0. 001mm Verification
    China Metrological Standards
  • JJG 424-1986
  • Verification regulation of attenuation calibration set type TO7(TO7A) Verification
    China Metrological Standards
  • JJG 423-1986
  • Verification regulation of model RR7 interference field measuring apparatus Verification
    China Metrological Standards
  • JJG 422-1986
  • Verification regulation of microppotentiometer type WD-1 Verification
    China Metrological Standards
  • JJG 421-1986
  • Verification regulation of CJ-2 type HF dielectrometer Verification
    China Metrological Standards
  • JJG 420-1986
  • Verification regulation of high frequency standard level meter Verification
    China Metrological Standards
  • JJG 419-1986
  • Verification Regulation of Communication Carrier-Frequency Variable Attenuator Verification
    China Metrological Standards
  • JJG 418-1986
  • Verification regulation of radar teater typer HL18 Verification
    China Metrological Standards
  • JJG 417-1986
  • Verification Regulation of Calibration for Ge-γ-Ray Spectrometer by <152>Eu Point γ-Ray Standard Source Verification
    China Metrological Standards
  • JJG 416-1986
  • Verification regulation of radium source inclosed Pt-Ir(10%)container Verification
    China Metrological Standards
  • JJG 412-1986
  • Verification Regulation of the Water Flow- Gas Calorimeter Verification
    China Metrological Standards
  • JJG 409-1986
  • Verification regulation of thermal voltage convertors in RF coaxial guide systems Verification
    China Metrological Standards
  • JJG 407-1986
  • Verification regulation of the standard specimen of electrical iron Verification
    China Metrological Standards
  • JJG 406-1986
  • Verification regulation for standard sample of feebly megnetic materials Verification
    China Metrological Standards
  • JJG 405-1986
  • Verification regulation of the standard specimen of magnetic sheet and strip Verification
    China Metrological Standards
  • JJG 403-1986
  • Verification Regulation of Ultrasonic Thickness Gauge Verification
    China Metrological Standards
  • JJG 381-1986
  • Verification regulation of the model BX-21 LF digital phase meter Verification
    China Metrological Standards
  • JJG 366-1986
  • Verification Regulation of Earth Resistance Meter Verification
    China Metrological Standards
  • JJG 24-1986
  • Verification Regulation of Depth Micrometers Verification
    China Metrological Standards
  • JJG 220-1986
  • Verification Regulation of Gauge for Measuring Distance Between Inside Rim Faces of Railway Wheels Verification
    China Metrological Standards
  • JJG 173-1986
  • Verification Regulation of Standard Signal Generator Type XFC-6A Verification
    China Metrological Standards
  • JJG 138-1986
  • Verification regulation of accurate capacitance measuring instrument Verification
    China Metrological Standards
  • JJG 137-1986
  • Verification regulation of small capacitance measuring instrument Verification
    China Metrological Standards
  • JJG 136-1986
  • Verification Regulation of Type CJS-2, 3, 4 Capacitor Dielectric Loss Meter Verification
    China Metrological Standards
  • JJG 127-1986
  • Verification Regulation of Model HP 4191 A RF Impedance Analyzer Verification
    China Metrological Standards
  • JJG 122-1986
  • Verification regulation of the precise true RMS voltmeter type DO6 Verification
    China Metrological Standards
  • JJG 109-1986
  • Verification Regulation of Snap Gauge Reading in 0. 01mm Verification
    China Metrological Standards
  • JJG 104-1986
  • Verification Regulation of Optical Clinometer Verification
    China Metrological Standards
  • JJG(QJ)8-1985
  • (Beat frequency oscillator Verification procedures) Verification
    China Metrological Standards
  • JJG(QJ)20-1985
  • (312-type phase angle standard low-frequency phase meter Verification test procedures) Verification
    China Metrological Standards
  • JJG(QJ)19-1985
  • (311-type phase angle standard low-frequency phase meter Verification test procedures) Verification
    China Metrological Standards
  • JJG(QJ)18-1985
  • (VM-3 standard Verification procedures attenuator calibration device) Verification
    China Metrological Standards
  • JJG 67-1985
  • Verification Regulation of Total-Radiation Pyrometen for Working Verification
    China Metrological Standards
  • JJG 402-1985
  • Verification Regulation of Standard Metal Tank on the Truck Verification
    China Metrological Standards
  • JJG 401-1985
  • Verification regulation of spherometer Verification
    China Metrological Standards
  • JJG 396-1985
  • Verification Regulation of Electronic Comparator Verification
    China Metrological Standards
  • JJG 391-1985
  • Verification Regulation of Load Cell Verification
    China Metrological Standards
  • JJG 390-1985
  • Verification regulation of shipboard pH meter Verification
    China Metrological Standards
  • JJG 389-1985
  • Verification Regulation of Artificial Ears Verification
    China Metrological Standards
  • JJG 387-1985
  • Verification Regulation of Attenuator in Frequency Band 10MHZ~18GHz Verification
    China Metrological Standards
  • JJG 386-1985
  • Verification regulation of standard fluorescent high pressure mercury vapour lamps for totel lumious flux Verification
    China Metrological Standards
  • JJG 385-1985
  • Verification Regulation of Standard Fluorescent Lamps for Total Luminous Flux Verification
    China Metrological Standards
  • JJG 384-1985
  • Verification Regulation of the Spectral Irradiance Standard Lamp Verification
    China Metrological Standards
  • JJG 383-1985
  • Verification Regulation of the Spectral Radiance Standard Lamp Verification
    China Metrological Standards
  • JJG 378-1985
  • Verification Regulation of Bore Diameter (Three-Point Internal)Measuring Micrometer Verification
    China Metrological Standards
  • JJG 376-1985
  • Verification Regulation for Electrolytic Conductance Meter Verification
    China Metrological Standards
  • JJG 372-1985
  • Verification regulation of metrological system for tank liquid stock by weighing method Verification
    China Metrological Standards
  • JJG 171-1985
  • Verification Regulation of Liquid Specific Gravity Balance Verification
    China Metrological Standards
  • JJG 15-1985
  • (Fixed lever scales Verification procedures) Verification
    China Metrological Standards
  • JJG 85-1984
  • Verification Regulation of Optical Tooth Thickness Caliper Verification
    China Metrological Standards
  • JJG 55-1984
  • Verification Regulation of Horizontal Metroscope Verification
    China Metrological Standards
  • JJG 38-1984
  • Verification Regulation of Frame and shaft Levels Verification
    China Metrological Standards
  • JJG 370-1984
  • Verification Regulation of Working Vibration Tube Liquid Density Meter Verification
    China Metrological Standards
  • JJG 367-1984
  • Verification Regulation of Thermister Thermometer for Grain Verification
    China Metrological Standards
  • JJG 363-1984
  • Verification Regulation of Semiconductor Themistor Themometer Verification
    China Metrological Standards
  • JJG 362-1984
  • Verification regulation of model D016 UHF microvolt voltage calibrating equipment Verification
    China Metrological Standards
  • JJG 361-1984
  • Verification Regulation of DO 15 Standard Pulse Voltmeter Verification
    China Metrological Standards
  • JJG 360-1984
  • Verification regulation of coaxial slotted line Verification
    China Metrological Standards
  • JJG 359-1984
  • Verification regulation of 300MHz frequency response test set Verification
    China Metrological Standards
  • JJG 358-1984
  • Verification regulation of model RR-2A interference and field strength measuring instrument Verification
    China Metrological Standards
  • JJG 357-1984
  • Verification regulation of the thin film thermoelectric power meter type 6460 Verification
    China Metrological Standards
  • JJG 356-1984
  • Verification Regulation of Float Type Air Comparator Verification
    China Metrological Standards
  • JJG 355-1984
  • Verification Regulation of Rump Type Alternate Compensator Verification
    China Metrological Standards
  • JJG 354-1984
  • Verification regulation of standard specimen of soft magnetic materials Verification
    China Metrological Standards
  • JJG 352-1984
  • Verification regulation of standard sample of the magnetic properties of permanent magnet materials Verification
    China Metrological Standards
  • JJG 348-1984
  • Verification regulation of resonance type wavemeter Verification
    China Metrological Standards
  • JJG 344-1984
  • Verification Regulation of Ni-Cr/Au+0. 07at% Fe Thermocouple Verification
    China Metrological Standards
  • JJG 3-1984
  • (Wooden folding ruler Verification procedures) Verification
    China Metrological Standards
  • JJG 143-1984
  • Verification regulation of standard Ni-Cr/Ni-Si thermocouple Verification
    China Metrological Standards
  • JJG 130-1984
  • Verification Regulation of Liquid-in-Glass Thermometers for Working Verification
    China Metrological Standards
  • JJG 119-1984
  • Verification Regulation for Laboratory pH Meter Verification
    China Metrological Standards
  • JJG 90-1983
  • Verification regulation of gear tooth aligument and concentricity tester Verification
    China Metrological Standards
  • JJG 88-1983
  • Verification Regulation of Gear Concentriciity Tester Verification
    China Metrological Standards
  • JJG 77-1983
  • Verification Regulation of Interference Microscope Verification
    China Metrological Standards
  • JJG 51-1983
  • Verification Regulation of Second-class and Third-class Standard Piston Dead-wight Pres sure Meter and Pressure-va-cuum with Liquid Column for Balance Verification
    China Metrological Standards
  • JJG 339-1983
  • Verification Regulation of Modele XB 33 Microwave signal Generator Verification
    China Metrological Standards
  • JJG 336-1983
  • Verification Regulation of Flatness Interferometer with Parallel Light Brightening Verification
    China Metrological Standards
  • JJG 332-1983
  • Verification Regulation of Involute master Verification
    China Metrological Standards
  • JJG 330-1983
  • Verification Regulation of Mechanical Bathythermograph Verification
    China Metrological Standards
  • JJG 326-1983
  • Verification Regulation of Standard Revolution Speed Equipment Verification
    China Metrological Standards
  • JJG 325-1983
  • Verification Regulation of UHF Standard Signal Generator Type XFC-1 Verification
    China Metrological Standards
  • JJG 324-1983
  • Verification Regulation of UHF Power Signal Generator Type XG26 Verification
    China Metrological Standards
  • JJG 323-1983
  • Verification regulation of waveguide standard phase shifter Verification
    China Metrological Standards
  • JJG 322-1983
  • Verification regulation of rotary vane attenuator Verification
    China Metrological Standards
  • JJG 321-1983
  • Verification regulation of calibration attenuator by series R.F. substitution Verification
    China Metrological Standards
  • JJG 320-1983
  • Verification regulation of waveguide noise generator Verification
    China Metrological Standards
  • JJG 319-1983
  • Verification Regulation of VHF Microvolt Meter Verification
    China Metrological Standards
  • JJG 318-1983
  • Verification regulation of HF voltage calibration apparatus types DO-2 and the like Verification
    China Metrological Standards
  • JJG 317-1983
  • Verification regulation of magnetic flux meter Verification
    China Metrological Standards
  • JJG 316-1983
  • Verification regulation of magnetic flux measure Verification
    China Metrological Standards
  • JJG 315-1983
  • Verification regulation of DC digital voltmeter Verification
    China Metrological Standards
  • JJG 312-1983
  • Verification regulation of laser energy meter Verification
    China Metrological Standards
  • JJG 310-1983
  • Verification Regulation of Pressure Thermometer Verification
    China Metrological Standards
  • JJG 308-1983
  • Verification Regulation of SHF Electronic Millivoltmeter Verification
    China Metrological Standards
  • JJG 302-1983
  • Verification regulation of concrete tank-tank volume Verification
    China Metrological Standards
  • JJG 156-1983
  • Verification Regulation of Table Balance Verification
    China Metrological Standards
  • JJG 79-1982
  • Verification Regulation of Circular Pitch Tester Verification
    China Metrological Standards
  • JJG 78-1982
  • Verification Regulation of Base Pitch Tester Verification
    China Metrological Standards
  • JJG 306-1982
  • Verification Regulation of 24m Invar Wire Verification
    China Metrological Standards
  • JJG 303-1982
  • Verification regulation of frequency deflection meter Verification
    China Metrological Standards
  • JJG 301-1982
  • Verification Regulation of Contact (Stylus)Instruments for the Measurement of Surface Roughness by the Prvfile Method Verification
    China Metrological Standards
  • JJG 300-1982
  • Verification Regulation of Small Angle Tester Verification
    China Metrological Standards
  • JJG 299-1982
  • Verification regulation of working standard sensitometer Verification
    China Metrological Standards
  • JJG 294-1982
  • Verification Regulation of Semiautomatic Circular- Pitch Tester Verification
    China Metrological Standards
  • JJG 293-1982
  • Verification Regulation of Medium Level Laser Power Meter Verification
    China Metrological Standards
  • JJG 289-1982
  • Verification Regulation of Surface Thermometer Verification
    China Metrological Standards
  • JJG 288-1982
  • Verification Regulation of Deep Sea Reversing Thermometer Verification
    China Metrological Standards
  • JJG 287-1982
  • Verification regulation of meteorological bimetallic thermograph Verification
    China Metrological Standards
  • JJG 284-1982
  • Verification Regulation of Glassware for Seawater Analysis Verification
    China Metrological Standards
  • JJG 268-1982
  • Verification regulation of model GZZ 2-1 turning cylinde code-type radiosonde Verification
    China Metrological Standards
  • JJG 145-1982
  • Verification Regulation of Pendulum Impact Testing Machine Verification
    China Metrological Standards
  • JJG 108-1982
  • (Projector Verification procedures) Verification
    China Metrological Standards
  • JJG 94-1981
  • Verification Regulation of Dual-Flank Gear Rolling Tester Verification
    China Metrological Standards
  • JJG 93-1981
  • Verification Regulation of Universal Involute Gear Tester Verification
    China Metrological Standards
  • JJG 81-1981
  • Verification regulation of cormmon normal tester Verification
    China Metrological Standards
  • JJG 80-1981
  • Verification regulation of tangential gear thickness gauge Verification
    China Metrological Standards
  • JJG 282-1981
  • Verification regulation of coaxial thin film thermoelectric power head Verification
    China Metrological Standards
  • JJG 281-1981
  • Verification regulation of waveguide slotted line Verification
    China Metrological Standards
  • JJG 280-1981
  • Verification regulation of standard thermistor bridge type M4-1 Verification
    China Metrological Standards
  • JJG 279-1981
  • Verification Regulation of HE Microvoltmeter Type WFG-1B Verification
    China Metrological Standards
  • JJG 278-1981
  • Verification regulation of Oscilloscope Calibrator Verification
    China Metrological Standards
  • JJG 275-1981
  • Verification Regulation of the Protractor for Multiple Point Tool Verification
    China Metrological Standards
  • JJG 274-1981
  • Verification Regulation of Double Tube Mercury Barometer Verification
    China Metrological Standards
  • JJG 269-1981
  • Verification Regulation of Torsion Testing Machines Verification
    China Metrological Standards
  • JJG 264-1981
  • Verification Reguiation of Test Weight Apparatus Verification
    China Metrological Standards
  • JJG 263-1981
  • Verification Regulation of MFS-2A Double Pulse Generator Verification
    China Metrological Standards
  • JJG 261-1981
  • Verification regulation of standard compression vacuum gauge Verification
    China Metrological Standards
  • JJG 256-1981
  • Verification regulation of tube voltmeter verification device DYB-2 for tube voltmeter Verification
    China Metrological Standards
  • JJG 255-1981
  • Verification regulation of waveguide thermistor mount for X-Band Verification
    China Metrological Standards
  • JJG 253-1981
  • Verification regulation of calibrating attenuator by Д1-2 type attenuation sstandard equipment Verification
    China Metrological Standards
  • JJG 252-1981
  • Verification regulation of calibration receiver type RS-2 and RS-3 Verification
    China Metrological Standards
  • JJG 249-1981
  • Verification Regulation of Laser Power Meter in Low Range Verification
    China Metrological Standards
  • JJG 248-1981
  • Verification regulation of working standard of laser power meter in low range Verification
    China Metrological Standards
  • JJG 244-1981
  • Verification Regulation of Inductive Voltage Divider Verification
    China Metrological Standards
  • JJG 241-1981
  • Verification Regulation of Liquid Manometer (Grade II, III) Verification
    China Metrological Standards
  • JJG 240-1981
  • Verification regulation of liquid manometer(Grade I) Verification
    China Metrological Standards
  • JJG 215-1981
  • Verification Reguiation of Rotational Viscometer Verification
    China Metrological Standards
  • JJG 106-1981
  • Verification regulation of chronometer with pointer indication Verification
    China Metrological Standards
  • JJG 101-1981
  • Verification Regulation of Contact Type Interferometer Verification
    China Metrological Standards
  • JJG 76-1980
  • Verification Regulation of Light-Section Microscope Verification
    China Metrological Standards
  • JJG 72-1980
  • Verification regulation of linear comparator Verification
    China Metrological Standards
  • JJG 61-1980
  • Verification Regulation of Square Verification
    China Metrological Standards
  • JJG 230-1980
  • Verification Reguiation of XFD-7A Type LF Signal Generator Verification
    China Metrological Standards
  • JJG 227-1980
  • Verification regulation of the standard optica pyrometer Verification
    China Metrological Standards
  • JJG 223-1980
  • (Electronic level Verification procedures) Verification
    China Metrological Standards
  • JJG 214-1980
  • Verification regulation of viscosimeter for roll-down ball type Verification
    China Metrological Standards
  • JJG 210-1980
  • Verification Regulation of Meteorological Mercurial Barometer Verification
    China Metrological Standards
  • JJG 208-1980
  • Verification regulation of meteorological mechanleol recording-clock Verification
    China Metrological Standards
  • JJG 205-1980
  • Verification Regulation of Meteorological Hair Hygrometer and Hair Hygrograph Verification
    China Metrological Standards
  • JJG 204-1980
  • Verification regulation of meteorological ventilation psychrometer Verification
    China Metrological Standards
  • JJG 203-1980
  • Verification Regulation of Optical Comparator for Angle Mea urement Verification
    China Metrological Standards
  • JJG 200-1980
  • Verification regulation of heterodyne frequency meters Verification
    China Metrological Standards
  • JJG 197-1979
  • Verification regulation of high frequency LC-meter type LCCG-1 Verification
    China Metrological Standards
  • JJG 191-1979
  • (Level Calibrator Verification procedures) Verification
    China Metrological Standards
  • JJG 154-1979
  • Verification Regulation of Standard Capillary Viscometer Verification
    China Metrological Standards
  • JJG 110-1979
  • Verification Regulation of Standard Temperature Lamp Verification
    China Metrological Standards
  • JJG(SY)52-2000
  • The Verification Regulation of Compensated Neutron Tool Verification
    China Metrological Standards
  • JJG(MH)0060-2000
  • Verification Regulation of Model 4TSJ60B00002 INS Navigation Tester Verification
    China Metrological Standards
  • JJG(MH)0059-2000
  • Verification Regulation of Model K738 Generator Tester Verification
    China Metrological Standards
  • JJG(MH)0058-2000
  • Verification Regulation of TU-14 Escape Slide Test Unit Verification
    China Metrological Standards
  • JJG(MH)0056-2000
  • Verification Regulation of Digital Temperature Test Set Model TT-1000A Verification
    China Metrological Standards
  • JJG(MH)0055-2000
  • Verification Regulation of Model F80129-100 Antiskid autobrake tester Verification
    China Metrological Standards
  • JJG(MH)0054-2000
  • Verification Regulation of Antiskid Brake Controller Tester Model 42-051p Verification
    China Metrological Standards
  • JJG 958-2000
  • Verification Regulation of Stabilized Laser Sources for Optical Transmit Verification
    China Metrological Standards
  • JJG 957-2000
  • Verification Regulation of Logic Analyzer Verification
    China Metrological Standards
  • JJG 956-2000
  • Verification Regulation of Air Sampler Verification
    China Metrological Standards
  • JJG 955-2000
  • Verification Regulation of Spectral analysis microdensitometer Verification
    China Metrological Standards
  • JJG 954-2000
  • Verification Regulation of Digital electroencephalogram mapping and brain electric activity mapping Verification
    China Metrological Standards
  • JJG 953-2000
  • Verification Regulation of Precision Time Interval Meter Verification
    China Metrological Standards
  • JJG 952-2000
  • Verification Regulation of Pupil Distance Meters Verification
    China Metrological Standards
  • JJG 951-2000
  • Verification regulation of analogue temperature indicators and controllers Verification
    China Metrological Standards
  • JJG 950-2000
  • Verification Regulation of Oil Content in Water Analyzers Verification
    China Metrological Standards
  • JJG 949-2000
  • Verification Regulation of Theodolite Verification Devices Verification
    China Metrological Standards
  • JJG 676-2000
  • Verification regulation of working measuring vibration instruments Verification
    China Metrological Standards
  • JJG 56-2000
  • Verification Regulation of Universal Measuring Microscopes and Makers Microscopes Verification
    China Metrological Standards
  • JJG 52-2000
  • The Verification Regulation of Compensated Neutron Tool Verification
    China Metrological Standards
  • JJG 501-2000
  • Verification Regulation of Spectrum Analyzers Verification
    China Metrological Standards
  • JJG 497-2000
  • Verification regulation of bump testing machines Verification
    China Metrological Standards
  • JJG 455-2000
  • Verification regulation of working dynamometers Verification
    China Metrological Standards
  • JJG 408-2000
  • Verification Regulation of Gear Helix Master Verification
    China Metrological Standards
  • JJG 368-2000
  • Verification Regulation of Working Copper/Copper. Nickel Thermocouple Verification
    China Metrological Standards
  • JJG 164-2000
  • Verification Regulation of Standard Facilities for Liquid Flowrate Verification
    China Metrological Standards
  • JJG 141-2000
  • Verification Regulation of Working Noble Metal Thermocouples Verification
    China Metrological Standards
  • JJG 105-2000
  • Verification regulation of tachometer Verification
    China Metrological Standards
  • JJG 0060-2000
  • Verification Regulation of Model 4TSJ60B00002 INS Navigation Tester Verification
    China Metrological Standards
  • JJG 0059-2000
  • Verification Regulation of Model K738 Generator Tester Verification
    China Metrological Standards
  • JJG 0058-2000
  • Verification Regulation of TU-14 Escape Slide Test Unit Verification
    China Metrological Standards
  • JJG 0056-2000
  • Verification Regulation of Digital Temperature Test Set Model TT-1000A Verification
    China Metrological Standards
  • JJG 0055-2000
  • Verification Regulation of Model F80129-100 Antiskid autobrake tester Verification
    China Metrological Standards
  • JJG 0054-2000
  • Verification Regulation of Antiskid Brake Controller Tester Model 42-051p Verification
    China Metrological Standards
  • JJF 1069-2000
  • Rules for the Examination of the Service of Legal Metrological Verification Verification
    China Metrological Standards
  • JJG(TZ)174-1999
  • (Section 15 coupler repair model Verification procedures) Verification
    China Metrological Standards
  • JJG(SY)48-1999
  • The Verification Regulation of Gamma-Ray Calibrator Verification
    China Metrological Standards
  • JJG(SY)47-1999
  • The Verification Regulation of Neutron Calibrator Verification
    China Metrological Standards
  • JJG(SY)07-1999
  • Verification Regulation of Mechanical Pressure Gauge Verification
    China Metrological Standards
  • JJG(SY)03-1999
  • Verification Regulation of Weight Indication Gauge for Oil Well Drilling Verification
    China Metrological Standards
  • JJG(MH)053-1999
  • Verification Regulation of Model 8000A. C. Fuel Quantity Test Set Verification
    China Metrological Standards
  • JJG(MH)052-1999
  • Verification Regulation of Model TEE38 Remote Engine Trim Equipment Verification
    China Metrological Standards
  • JJG(MH)051-1999
  • Verification Regulation of MODEL NAV-705B VHF Navigation Test Equipment Verification
    China Metrological Standards
  • JJG(MH)050-1999
  • Verification Regulation of Model F80217-103 Autopilot Test Set Verification
    China Metrological Standards
  • JJG(MH)048-1999
  • Verification Regulation of Measuring Instrument for Aircraft Vibration Test System Verification
    China Metrological Standards
  • JJG(MH)047-1999
  • Verification Regulation of Test Bench “ПП-25” Verification
    China Metrological Standards
  • JJG(JT)021-1999
  • Verification Regulation of Automotive Chassis DynamometerCombine Aligner Verification
    China Metrological Standards
  • JJG(JT)018-1999
  • Verification Regulation of Roller Type Speedometer TesterAligner Verification
    China Metrological Standards
  • JJG(JT)017-1999
  • Verification Regulation of Slip Plate Type Automobile Side Slip TesterAligner Verification
    China Metrological Standards
  • JJG(JT)016-1999
  • Verification Regulation of Roller Opposite Force Type TesterAligner Verification
    China Metrological Standards
  • JJG(JT)015-1999
  • Verification Regulation of Headlamp for Vehicle TesterAligner Verification
    China Metrological Standards
  • JJG(JC)125-1999
  • Verification regulation of wearing machine for cement mortar Verification
    China Metrological Standards
  • JJG(JC)124-1999
  • Verification regulation for cement mortar specimen jolting table complying with ISO 679 Verification
    China Metrological Standards
  • JJG(JC)123-1999
  • Verification regulation for cement mortar mixer complying with ISO 679 Verification
    China Metrological Standards
  • JJG(JC)107-1999
  • Verification regulation for determination specific surface area of air permeability apparatus Verification
    China Metrological Standards
  • JJG(JC)106-1999
  • Verification regulation for the standard testing sieve of cement fineness Verification
    China Metrological Standards
  • JJG(JC)105-1999
  • Verification regulation for cement testing apparatus of the onrmal consistency and setting time Verification
    China Metrological Standards
  • JJG(JC)103-1999
  • Verification regulation for cement vibrator for compacting mortar specimen Verification
    China Metrological Standards
  • JJG(JC)102-1999
  • Verification regulation for cement mortars mixer Verification
    China Metrological Standards
  • JJG(JC)101-1999
  • Verification regulation for cement electrically driven flexue testing machine Verification
    China Metrological Standards
  • JJG 948-1999
  • Verification regulation of digital electrodynamic vibration testing system Verification
    China Metrological Standards
  • JJG 947-1999
  • Verification regulation of acoustic tide gauge Verification
    China Metrological Standards
  • JJG 946-1999
  • Verification Regulation of Pressure Tide Gauge Verification
    China Metrological Standards
  • JJG 945-1999
  • Verification Regulation of Gas O<2> Analyzer with Galvanic Cell Verification
    China Metrological Standards
  • JJG 944-1999
  • Verification Regulation of Metallic Webster Hardness Testing Machine Verification
    China Metrological Standards
  • JJG 747-1999
  • Verification regulation of equotip hardness tester Verification
    China Metrological Standards
  • JJG 700-1999
  • Verification regulation of gas chromatograph Verification
    China Metrological Standards
  • JJG 692-1999
  • Verification Regulation of the Digital Electronic Sphygmomanometer (static) Verification
    China Metrological Standards
  • JJG 635-1999
  • Verification Regulation of Monooxide and Carbon Diaxide Infrared Gas Analyzer Verification
    China Metrological Standards
  • JJG 618-1999
  • Verification Regulation of High Precision Mercury-in-Glass Thermometers Verification
    China Metrological Standards
  • JJG 596-1999
  • Verification Regulation of Electrical Energy Meters with Electronics Verification
    China Metrological Standards
  • JJG 581-1999
  • Verification regulation of laser for medicine Verification
    China Metrological Standards
  • JJG 57-1999
  • Verification Regulation of Optical Digital Dividing Head Verification
    China Metrological Standards
  • JJG 52-1999
  • Verification Regulation of Bourdon Tube Pressure Gauge, Pressure Vacuum Gauge and Vacuum Gauge for General Use Verification
    China Metrological Standards
  • JJG 49-1999
  • Verification Regulation of Bourdon Tube Precision Pressure Gauge and Vacuum Gauge Verification
    China Metrological Standards
  • JJG 45-1999
  • Verification Regulation of Optimeter Verification
    China Metrological Standards
  • JJG 4-1999
  • Verification Regulation of Steel Tape Verification
    China Metrological Standards
  • JJG 413-1999
  • Verification Regulation of Leather Area Measuring Machine Verification
    China Metrological Standards
  • JJG 340-1999
  • Verification Regulation of Measuring Hydrophone in the Frequency Range 1Hz to 1000Hz Verification
    China Metrological Standards
  • JJG 31-1999
  • Verification Regulation of Height Cauge Verification
    China Metrological Standards
  • JJG 291-1999
  • Verification Regulation of Film Electrode Dissolved Oxygen Meter Verification
    China Metrological Standards
  • JJG 2-1999
  • Verification Regulation of Wooden Rule (Wooden Folded Rule) Verification
    China Metrological Standards
  • JJG 201-1999
  • Verification Regulation of Tester for Dial Indicator Gauge Verification
    China Metrological Standards
  • JJG 139-1999
  • Verification Regulation of Universal Tension and Compression Testing Machine Verification
    China Metrological Standards
  • JJG 1-1999
  • Verification regulation of steel rule Verification
    China Metrological Standards
  • JJG 115-1999
  • Verification Regulation of the Standard Copper/Copper-Nickel Thermocouple Verification
    China Metrological Standards
  • JJG 114-1999
  • Verification regulation of beckmann Verification
    China Metrological Standards
  • JJG(YC)03-1998
  • (Cigarette / filter rod circumference meter Verification procedures) Verification
    China Metrological Standards
  • JJG(TZ)170-1998
  • Verification Regulation of Special Measurement tools for Bogie Structure of Railway Passenger Cars Verification
    China Metrological Standards
  • JJG(TZ)169-1998
  • Verification Regulation of Tester for VF Selective Calling Subset Verification
    China Metrological Standards
  • JJG(TZ)168-1998
  • Verification Regulation of Measurer for Longitudinal Impact Accelerograph of Coach Verification
    China Metrological Standards
  • JJG(QB)113-1998
  • Specification for Verification of air enthalpy value method detection unit for air conditioners Verification
    China Metrological Standards
  • JJG(MH)046-1998
  • Verification Regulation of Model DSDU981-6301 Data Signal Display Unit Verification
    China Metrological Standards
  • JJG(MH)045-1998
  • Verification Regulation of Model ATC-600A Transponder and DME Test Set Verification
    China Metrological Standards
  • JJG(MH)044-1998
  • Verification Regulation of Radio Altimeter Ramp Simulator Type DRA-707 Verification
    China Metrological Standards
  • JJG(JC)118-1998
  • (Verification procedures supercharged consistometer) Verification
    China Metrological Standards
  • JJG(CB)17-1998
  • (Sound intensity meter performance Verification procedures) Verification
    China Metrological Standards
  • JJG 943-1998
  • Verification Regulation of Total Suspended Particulate Sampler Verification
    China Metrological Standards
  • JJG 942-1998
  • Verification Regulation of Ball Pneumatic Dead Weight Tester Verification
    China Metrological Standards
  • JJG 940-1998
  • Verification Regulation of Catalysis Combustion Type Hydrogen Test Device Verification
    China Metrological Standards
  • JJG 939-1998
  • Verification Regulation of Non-disperse Atomic Fluoreacence Spectrometer Verification
    China Metrological Standards
  • JJG 938-1998
  • Verification Regulation of the Tool Presetting Instrument Verification
    China Metrological Standards
  • JJG 937-1998
  • Verification regulation of verificating meter for chromatograph Verification
    China Metrological Standards
  • JJG 936-1998
  • Verification Regulation of the Differential Scanning Calorimeter Verification
    China Metrological Standards
  • JJG 935-1998
  • Verification regulation of γ-ray thickness gauge Verification
    China Metrological Standards
  • JJG 934-1998
  • Verification Regulation of Gamma Ray Level Meter Verification
    China Metrological Standards
  • JJG 933-1998
  • Verification regulation of apparatus for gamma radiography Verification
    China Metrological Standards
  • JJG 932-1998
  • Verification Regulation of piezoresistive vacuum gauge Verification
    China Metrological Standards
  • JJG 931-1998
  • Verification Regulation of Instruments for Measuing Moment of Pendulum of Impact tester Verification
    China Metrological Standards
  • JJG 930-1998
  • Verification Regulation of Pile Dynamic Measuring Instrument Verification
    China Metrological Standards
  • JJG 929-1998
  • Verification Regulation of Digital Display Height Measuring Instrument Verification
    China Metrological Standards
  • JJG 928-1998
  • Verification Regulation of Ultrasonic Ranger Verification
    China Metrological Standards
  • JJG 82-1998
  • Verification Regulation of the class of Common Normal Micrometer Verification
    China Metrological Standards
  • JJG 639-1998
  • Verification regulation of ultrasonic source for medical ultrasonic diagnostic equipment Verification
    China Metrological Standards
  • JJG 579-1998
  • Verification Regulation of Trial Case Lenses Verification
    China Metrological Standards
  • JJG 536-1998
  • Verification Regulation of Polarimeter and Saccharimeter Verification
    China Metrological Standards
  • JJG 517-1998
  • Verification Regulation of Taxi Meter Verification
    China Metrological Standards
  • JJG 488-1998
  • Verification Regulation of Watch Tester Verification
    China Metrological Standards
  • JJG 443-1998
  • Verification Regulation of Fuel Dispensers Verification
    China Metrological Standards
  • JJG 377-1998
  • Verification regulation of radioactivity meter Verification
    China Metrological Standards
  • JJG 365-1998
  • Verification Regulation of Electrochemical Electrode Gas Oxygen Analyser Verification
    China Metrological Standards
  • JJG 277-1998
  • Verification regulation of reference sound source Verification
    China Metrological Standards
  • JJG 229-1998
  • Verification Regulation of Industrial Platinum Copper Resistance Thermistor Verification
    China Metrological Standards
  • JJG 175-1998
  • Verification Regulation of Measuring Condenser Microphones Verification
    China Metrological Standards
  • JJG 169-1998
  • (Audio railway station tester Verification procedures) Verification
    China Metrological Standards
  • JJG 140-1998
  • Verification Regulation of the Volume of Railway Tank Car Verification
    China Metrological Standards
  • JJF 1002-1998
  • The Rules for Drafting National Metrological Verification Regulation Verification
    China Metrological Standards
  • JJG(YD)039-1997
  • (Stable source Verification procedures) Verification
    China Metrological Standards
  • JJG(TZ)133-1997
  • Verification Regulation of Wear Gauge for Rail Verification
    China Metrological Standards
  • JJG(MH)043-1997
  • Verification Regulation of KПA-TПP1T Oil Gauge Tester Verification
    China Metrological Standards
  • JJG(MH)042-1997
  • Verification Regulation of ППБ-100 difference Altitude Corrector Tester Verification
    China Metrological Standards
  • JJG(MH)041-1997
  • Verification Regulation of 77A-1 VHF Navigation Receiver Tester Verification
    China Metrological Standards
  • JJG(JT)009-1997
  • (Four-piston-type fuel meter Verification procedures linkage (Trial)) Verification
    China Metrological Standards
  • JJG(HY)03-1997
  • (Optical refraction salinity meter Verification procedures) Verification
    China Metrological Standards
  • JJG 927-1997
  • Verification Regulation of Tyre Pressure Gauge Verification
    China Metrological Standards
  • JJG 926-1997
  • Verification Regulation of the Record Pressure Gauge, Pressure Vacuum Gauge and Vacuum Gauge Verification
    China Metrological Standards
  • JJG 925-1997
  • Verification Regulation of Net Pyrradiometer Verification
    China Metrological Standards
  • JJG 759-1997
  • Verification Regulation of Hydrostatic Tank Gauging Verification
    China Metrological Standards
  • JJG 749-1997
  • Verification Regulation of Calibration Device for Electrocaldiograph and Electroencephalograph Verification
    China Metrological Standards
  • JJG 744-1997
  • Verification Regulation of Medical Diagnostical X Ray Radiation Source Verification
    China Metrological Standards
  • JJG 737-1997
  • Verification regulation of 0Hz~30MHz variable attenuator Verification
    China Metrological Standards
  • JJG 668-1997
  • Verification Regulation of the Working Platinum-10% Rhodium/Platinum and Platinum-13% Rhodium/Platinum Thermocouple with Short Length Verification
    China Metrological Standards
  • JJG 667-1997
  • Verification Regulation of Liquid Positive Displacement Flow Meter Verification
    China Metrological Standards
  • JJG 622-1997
  • Verification regulation of megohmmeter Verification
    China Metrological Standards
  • JJG 587-1997
  • Verification regulation of float-type tide gauge Verification
    China Metrological Standards
  • JJG 544-1997
  • Verification Regulation of Pressure Contuoller Verification
    China Metrological Standards
  • JJG 542-1997
  • Verification regulation of the gold-platinum thermocouple Verification
    China Metrological Standards
  • JJG 472-1997
  • Verification Regulation of Precise Angle Dividing Table Verification
    China Metrological Standards
  • JJG 411-1997
  • Verification Regulation of Hammering Type Brinell Hardness Tester Verification
    China Metrological Standards
  • JJG 395-1997
  • Verification regulation for carbon-sulfur analyzer Verification
    China Metrological Standards
  • JJG 394-1997
  • Verification regulation of ultrasonic source for ultrasonic doppler fetal monitor Verification
    China Metrological Standards
  • JJG 374-1997
  • Verification Regulation of Level Oscillator Verification
    China Metrological Standards
  • JJG 373-1997
  • Verification Regulation of Four-ball Friction Testing Machine Verification
    China Metrological Standards
  • JJG 338-1997
  • Verification Regulation of Charge Amplifier Verification
    China Metrological Standards
  • JJG 297-1997
  • Verification regulation of standard hardmetals rockwell (A scale) hardness test block Verification
    China Metrological Standards
  • JJG 283-1997
  • Verification Regulation of Angular Polygon Verification
    China Metrological Standards
  • JJG 251-1997
  • Verification Regulation of Distortion Meter Calibrator Verification
    China Metrological Standards
  • JJG 190-1997
  • Verification regulation of electrodynamic vibration generator for testing Verification
    China Metrological Standards
  • JJG 189-1997
  • Verification regulation of mechanical vibration genetator for testing Verification
    China Metrological Standards
  • JJG 186-1997
  • Verification Regulation of Moving Coil Indicators and Step -indication Controllers Associated for Measuring Temperature Verification
    China Metrological Standards
  • JJG 185-1997
  • Verification Regulation of Measuring Hydrophone in the Frequency Range 500Hz to 1 MHz Verification
    China Metrological Standards
  • JJG 14-1997
  • Verification regulation of nonself-indicating weighing instrument Verification
    China Metrological Standards
  • JJG 13-1997
  • Verification regulation of analogue indication weighing instrument Verification
    China Metrological Standards
  • JJG(TZ)161-1996
  • Verification Regulation of Special Measurement tools for Zhuan 8A Bogie side frame Verification
    China Metrological Standards
  • JJG(TZ)160-1996
  • Verification Regulation of Tensiometer for Railway Verification
    China Metrological Standards
  • JJG(QB)111-1996
  • (2 Newton tendency to force loader Verification procedures) Verification
    China Metrological Standards
  • JJG(MT)03-1996
  • Verification Regulation of Mine Dust Sampler Verification
    China Metrological Standards
  • JJG(MT)02-1996
  • Verification Regulation of Measuring Apparatus for Calibration of Mine Airspeed Measuring Instrument Verification
    China Metrological Standards
  • JJG(MT)01-1996
  • Verification Regulation of Mine Anemometer Verification
    China Metrological Standards

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