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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 "JJ" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • JJG(TZ)128-1991
  • (Nuclear humidity, density tester verification procedures (Trial)) China Metrological Standards
  • JJG 757-1991
  • Verification Regulation for Ionometer China Metrological Standards
  • JJG(SJ)15020-1991
  • (XT-22-type comb frequency generator test procedures) China Metrological Standards
  • JJG 218-1991
  • Verification Regulation of Working Standards for Inductance China Metrological Standards
  • JJG 723-1991
  • Verification Regulation of Time Interval Generator China Metrological Standards
  • JJG(SJ)04043-1991
  • (CTG-1 high-frequency C-V characteristics tester test procedures) China Metrological Standards
  • JJG(SJ)05037-1991
  • (HY2501 Precision resistor bridge test procedures) China Metrological Standards
  • JJG(SJ)05040-1991
  • (YY2511 digital DC low resistance meter testing procedures) China Metrological Standards
  • JJG(QB)82-1991
  • (Quartz watch calibrator test procedures) China Metrological Standards
  • JJG(SJ)05041-1991
  • (CJ2780 type with three errors sorter test procedures) China Metrological Standards
  • JJG 125-1991
  • (Frequency selection (broadband) level meter test procedures) China Metrological Standards
  • JJG 117-1991
  • Verification Regulation of Flat Plate China Metrological Standards
  • JJG 151-1991
  • Verification Regulation of Metal Vickers Hardness Tester China Metrological Standards
  • JJG(QB)76-1991
  • (SCI. 327 quartz crystal impedance meter SPM. 327PPM counter test procedures) China Metrological Standards
  • JJG(SJ)12036-1991
  • (HY6060 type electret microphone tester test procedures) China Metrological Standards
  • JJG 729-1991
  • Verification Regulation of Dynamic Relative Vacuum Apparatus (Grade Ⅱ) China Metrological Standards
  • JJG(SJ)12039-1991
  • (XJ5440 type waveform monitor oscilloscope test procedures) China Metrological Standards
  • JJG 222-1991
  • Verification Regulation of Wheel Contour Gauge for Railway Locomotives and Vehicles China Metrological Standards
  • JJG(SJ)12035-1991
  • (Model 2010 heterodyne analyzer test procedures) China Metrological Standards
  • JJG 748-1991
  • Verification Regulation of Oscilloscopic Polarograph China Metrological Standards
  • JJG 741-1991
  • Verification Regulation of Standard Steel Tape China Metrological Standards
  • JJG(HG)107-1991
  • (Rubber parallel plate (William type) plastic meter verification procedures) China Metrological Standards
  • JJG(EJ)9-1991
  • ( Cs and Coγ standard exposure (rate) meter (level of protection) test procedures) China Metrological Standards
  • JJG(SJ)05046-1991
  • (GR1687-type LCR digital bridge test procedures) China Metrological Standards
  • JJG(HG)103-1991
  • (Rubber Akron abrasion testing machine test procedures) China Metrological Standards
  • JJG 22-1991
  • Verification Regulation of Internal Micrometer China Metrological Standards
  • JJG(SJ)05045-1991
  • (HP4273A Preset capacity meter testing procedures) China Metrological Standards
  • JJG(HG)106-1991
  • (Rubber proportion of direct-reading instrument verification procedures) China Metrological Standards
  • JJG 724-1991
  • Verification Regulation of DC Digital Ohmmeter China Metrological Standards
  • JJG 731-1991
  • Verification Regulation of Quantitative Automatic Weighing Instrument China Metrological Standards
  • JJG 726-1991
  • Verification Regulation of Standard Inductors China Metrological Standards
  • JJG 727-1991
  • Verification Regulation of Working Standard of Piston Manometers China Metrological Standards
  • JJG 734-1991
  • (Deadweight force standard machine test procedures) China Metrological Standards
  • JJG 148-1991
  • Verification Regulation of Standard Vickers Hardness Test Block China Metrological Standards
  • JJF 1027-1991
  • Technical Norm for Error of Measurements and Interpretation of Data China Metrological Standards
  • JJG 1024-1991
  • Technical Norm of Reliability Analysis Principle for Measuring Instruments China Metrological Standards
  • JJG 1028-1991
  • Standard Methed for Using the Silver Dichromate Dosimeter to Measure γ-ray Absorbed Dose in Water China Metrological Standards
  • JJG 112-1991
  • (Metal Rockwell hardness test procedures) China Metrological Standards
  • JJG 126-1991
  • (Level oscillator verification procedures) China Metrological Standards
  • JJG 127-1991
  • (Flat dysprosium type variable attenuator test procedures) China Metrological Standards
  • JJG 131-1991
  • Verification Regulation of Electric Contact Mercury-in-Glass Thermometer China Metrological Standards
  • JJG 149-1991
  • Verification Regulation of Standard Superficial Rockwell Hardness Test Block China Metrological Standards
  • JJG 140-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG 720-1991
  • Verification Regulation of Wide Band Frequency Stability Measurement Set in Time Domain China Metrological Standards
  • JJG 152-1991
  • Verification Regulation of Metallic Superficial Rockwell Hardness Testing Machine China Metrological Standards
  • JJG 155-1991
  • Verification regulation of routine capillary viscometer China Metrological Standards
  • JJG 163-1991
  • Vorification Regulation of Working Standard for Capacitance China Metrological Standards
  • JJG 245-1991
  • Verification Regulation of Illuminometer China Metrological Standards
  • JJG 260-1991
  • Verification Regulation of Microhardometer China Metrological Standards
  • JJG 272-1991
  • Verification Reguiation of Aneroid Barograph and Aneroid Barometer China Metrological Standards
  • JJG 335-1991
  • Verification Regulation of Standard Vickers Microhardness Test Block China Metrological Standards
  • JJG 139-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG(SJ)03009-1991
  • (SQ-20-type sampling oscilloscope test procedures) China Metrological Standards
  • JJG(EJ)6-1991
  • (Fast neutron dosimeter (working class) test procedures) China Metrological Standards
  • JJG(HG)104-1991
  • (Rubber thickness gauge test procedures) China Metrological Standards
  • JJG(HG)105-1991
  • (Vulcanized rubber elasticity testing machine test procedures) China Metrological Standards
  • JJG(HG)108-1991
  • (Rubber compression stress relaxation instrument test procedures) China Metrological Standards
  • JJG(HG)201-1991
  • (Gas chromatograph test procedures) China Metrological Standards
  • JJG(QB)75-1991
  • (0.05 to 1 mm thin gauge block verification procedures) China Metrological Standards
  • JJG(QB)78-1991
  • (Print chronograph test procedures) China Metrological Standards
  • JJG(QB)79-1991
  • (Clock instrument calibrator test procedures) China Metrological Standards
  • JJG(QB)80-1991
  • (Watch gears, gems element of the projection model verification procedures) China Metrological Standards
  • JJG(SJ)10002-1991
  • Specification for verification of radio frequency pass through type medium power meters China Metrological Standards
  • JJG(EJ)22-1991
  • (γ-like instrument compiled admission test procedures) China Metrological Standards
  • JJG(QB)86-1991
  • (Watch Tester test procedures) China Metrological Standards
  • JJG(QB)83-1991
  • (BMP-2 type instrument precision quartz clock calibrator test procedures) China Metrological Standards
  • JJG(SJ)03010-1991
  • (SG-1 type of second-tier high-sensitivity oscilloscope test procedures) China Metrological Standards
  • JJG(SJ)04040-1991
  • (GH3181 op amp tester test procedures) China Metrological Standards
  • JJG(SJ)07008-1991
  • (SWOF type video swept spectrum analyzer test procedures) China Metrological Standards
  • JJG(SJ)12034-1991
  • (1617 bandpass filter test procedures) China Metrological Standards
  • JJG(SJ)15015-1991
  • (1 ~ 2GHz microwave signal source verification procedures) China Metrological Standards
  • JJG(SJ)15023-1991
  • (Universal pulse generator test procedures) China Metrological Standards
  • JJG(SJ)18005-1991
  • (DA-1 electrical safety tester parameter verification procedures) China Metrological Standards
  • JJG(SJ)18006-1991
  • (Working with a thermocouple vacuum gauge test procedures) China Metrological Standards
  • JJG(TZ)126-1991
  • (Level oscillator verification procedures) China Metrological Standards
  • JJG 1027-1991
  • Technical Norm for Error of Measurements and Interpretation of Data China Metrological Standards
  • JJG(QB)84-1991
  • (Watch waterproof tester test procedures) China Metrological Standards
  • JJG(CB)8-1991
  • (Underwater acoustic pulse tube measuring device test procedures) China Metrological Standards
  • JJG(QB)85-1991
  • (Watch shock tester test procedures) China Metrological Standards
  • JJG 751-1991
  • Verification Regulation of Activity Standard Device for 4πr Ionization Chamber China Metrological Standards
  • JJG 761-1991
  • Verification Regulation of Electrode Type Salinometer China Metrological Standards
  • JJG 750-1991
  • Verification Regulation of Speed and Milage Meter for Non-disintegrated Cars China Metrological Standards
  • JJG 8-1991
  • Verificaiong Regulation of Level Rod China Metrological Standards
  • JJG(CB)04-1991
  • (Ultra-low-frequency hysteresis loop tester test procedures) China Metrological Standards
  • JJG(CB)6-1991
  • (Standard hydrophone coupled cavity reciprocity law test methods) China Metrological Standards
  • JJG 752-1991
  • Verification Regulation of Activity Standard Device for Ge-γ-ray Spectrometer China Metrological Standards
  • JJG(EJ)13-1991
  • (Test Method B specific activity was measured using a radioactive gas proportional counter 4πβ standard devices) China Metrological Standards
  • JJG 745-1991
  • Verification Regulation of Headlamp Tester for Motor Vehicle China Metrological Standards
  • JJG(EJ)15-1991
  • (Protection level β dose rate meter verification procedures) China Metrological Standards
  • JJG(EJ)16-1991
  • (With grid ionization chamber standard device for measuring α planar surface emissivity source test methods) China Metrological Standards
  • JJG(EJ)14-1991
  • (Protection level X, γ dosimeter verification procedures) China Metrological Standards
  • JJG 742-1991
  • Verification Regulation of Zngler Viscosimeter China Metrological Standards
  • JJG 740-1991
  • Verification Regulation of Milling Straight Edge China Metrological Standards
  • JJG 1025-1991
  • Norm of Machine Scale Remake China Metrological Standards
  • JJG(SJ)15014-1991
  • (5200A-type function generator test procedures) China Metrological Standards
  • JJG 100-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJF 1030-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG 744-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG 749-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG(SJ)15016-1991
  • (1 ~ 2GHz microwave signal generator standard test procedures) China Metrological Standards

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