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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(SJ)15017-1991
  • (2 ~ 4GHz microwave signal source generic test procedures) China Metrological Standards
  • JJG 747-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG 1030-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJF 1024-1991
  • Technical Norm of Reliability Analysis Principle for Measuring Instruments China Metrological Standards
  • JJF 1025-1991
  • Technical Norm of Machine Scale Remake China Metrological Standards
  • JJF 1001-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG 233-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG(EJ)21-1991
  • (Ground γ spectrometer test procedures) China Metrological Standards
  • JJG(EJ)2-1991
  • (Radionuclide neutron source strength test procedures) China Metrological Standards
  • JJG(EJ)19-1991
  • (Solid radium point source verification procedures) China Metrological Standards
  • JJG(EJ)23-1991
  • (γ logging tool verification procedures) China Metrological Standards
  • JJG 28-1991
  • (Chinese Industry Standard) China Metrological Standards
  • JJG(EJ)5-1991
  • (Long counter test procedures) China Metrological Standards
  • JJG 715-1991
  • Verification Regulation for Water. Quality Synthetical Analyse Instrument China Metrological Standards
  • JJG(QB)77-1991
  • (Salt spray test box test procedures) China Metrological Standards
  • JJG(CB)02-1991
  • (Curie temperature tester test procedures) China Metrological Standards
  • JJG 756-1991
  • Verification Regulation of Working Standard Equipment for Optical Wedge Density China Metrological Standards
  • JJG 755-1991
  • Verification Reguiation of Working Standard Equipment for UV Irradiance China Metrological Standards
  • JJG 754-1991
  • Verification Regulation of Optical Transfer Function Measuring Equipment China Metrological Standards
  • JJG(SJ)05042-1991
  • (CD-22-type bias Bridge test procedures) China Metrological Standards
  • JJG(SJ)05043-1991
  • Specification for verification of CD-50 model universal bridges China Metrological Standards
  • JJG(SJ)05047-1991
  • (CD9A Precision multimeter test procedures Bridge) China Metrological Standards
  • JJG 721-1991
  • Verification Regulation of 500MHz Phase Noise Measurement Set (Phase Detector Method) China Metrological Standards
  • JJG(EJ)24-1991
  • (Measuring radon test procedures) China Metrological Standards
  • SJJ 21-1990
  • Standard for design of electric lighting in electronic industry China Electronics Standards
  • JJG(JB)15-1990
  • (Household gas meter test procedures Endurance Test) China Metrological Standards
  • JJG(JB)25-1990
  • (Load deformation measuring amplifier test procedures) China Metrological Standards
  • JJG(JB)14-1990
  • (Household gas meter tightness test device test procedures) China Metrological Standards
  • JJG(JB)11-1990
  • (Type JD-4 ground resistance test bench test equipment test procedures) China Metrological Standards
  • JJG 683-1990
  • Verification Regulation of Barometric Altimeter China Metrological Standards
  • JJG(JB)24-1990
  • (Count toward the test procedures) China Metrological Standards
  • JJG(JB)17-1990
  • (Nominal diameter 15 ~ 40mm cold water accelerated wear test device test procedures) China Metrological Standards
  • JJG(JB)18-1990
  • (LDQ-l-type zero thermostat test procedures) China Metrological Standards
  • JJG(JB)20-1990
  • (WJM-1-type surface thermometer calibration device test procedures) China Metrological Standards
  • JJG(JB)21-1990
  • (Ball diameter tester test procedures) China Metrological Standards
  • JJG(JB)22-1990
  • (Tapered roller bearing raceway diameter and angle tester test procedures) China Metrological Standards
  • JJG(JB)16-1990
  • (Nominal diameter 15 ~ 40mm cold water pressure loss test device test procedures) China Metrological Standards
  • JJG(JB)12-1990
  • (YC-90 permanent magnet dynamometer test procedures) China Metrological Standards
  • JJG 688-1990
  • Verification Regulation of Vehicle Exhaust Emission Measuring Instruments China Metrological Standards
  • JJF 1348-1990
  • ( Coγ ray absorbed dose graphite calorimeter reference operating technical specifications) China Metrological Standards
  • JJG 649-1990
  • Verification Regulation for Digital Weighing Indicator China Metrological Standards
  • JJG(JB)7-1990
  • (Single particle compressive strength tester test procedures) China Metrological Standards
  • JJG 646-1990
  • Verification Regulation of Quantitative Adjustable Bipet China Metrological Standards
  • JJG(JB)23-1990
  • (The verticality of the end face of the bearing inner ring Calibrator verification procedures hole) China Metrological Standards
  • JJG 2078-1990
  • Verification Scheme of Measuring instruments for laser power China Metrological Standards
  • JJG(DZ)1009-1990
  • (YCH-1 hydrocarbon analyzer test procedures) China Metrological Standards
  • JJF 1304-1990
  • (0.6 to 1 GHz, 2-4 GHz coaxial phase shift reference operating technical specifications) China Metrological Standards
  • JJG 647-1990
  • Verification Regulation of Tanks and Barrels China Metrological Standards
  • JJG 695-1990
  • Regulation of Verification for Hydrogen Sulfide Gas Analyzer China Metrological Standards
  • JJF 1331-1990
  • (1 ~ 40 joule laser energy reference operating technical specifications) China Metrological Standards
  • JJG 69-1990
  • Verification Regulation of RF Q Standard Coil China Metrological Standards
  • JJF 1334-1990
  • (Operating technical specifications to mirror gloss benchmark) China Metrological Standards
  • JJG 2067-1990
  • Verification Scheme of Measuring Instruments for Metallic Rockwell Hardness China Metrological Standards
  • JJG 1017-1990
  • Standard Method for using the Ceric-Cerous Sulfate Dosimeter to Measure γ-ray Absorbed Dose in Water China Metrological Standards
  • JJG 2068-1990
  • Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness China Metrological Standards
  • JJG 685-1990
  • Verification Regulation of Relative Spectral Responsivity for Photoelectric Detector China Metrological Standards
  • JJG 2058-1990
  • Verification Scheme of Measuring Instruments for Heat of Combustion China Metrological Standards
  • JJG 663-1990
  • Verification regulation for thermal conductivity hydrogen analyzer China Metrological Standards
  • JJG 666-1990
  • Verification Regulation of Dead-Load Hardness Testing Machine in International Rubber Hardness Degree China Metrological Standards
  • JJG 669-1990
  • Verification Regulation of Load Cell China Metrological Standards
  • JJG 2089-1990
  • Verification Scheme of 60Coγ-ray water absorbed dose measuring instruments for radiation processing level China Metrological Standards
  • JJG 674-1990
  • Verification regulation of standard seawater China Metrological Standards
  • JJG 2077-1990
  • Verification Scheme of Measuring Instruments for Pendulum Impact Energy China Metrological Standards
  • JJG 681-1990
  • Verification Regulation of Dispersive Infrared Spectrophotometers China Metrological Standards
  • JJG 706-1990
  • Verification Regulation of Self-balance Display Instruments with Step-contral China Metrological Standards
  • JJG 702-1990
  • Verification Regulation of Ships Liquid Cargo Tank Capacity China Metrological Standards
  • JJG 714-1990
  • Verification Regulation of Blood Cell Analyzer China Metrological Standards
  • JJF 1259-1990
  • (Density (alcohol) secondary standard operating technical specifications) China Metrological Standards
  • JJG 2050-1990
  • Verification Scheme of Measuring Instruments for Ultrasonic Power China Metrological Standards
  • JJG 712-1990
  • Verification Regulation of Electronic Level China Metrological Standards
  • JJF 1017-1990
  • Standard Method for Using the Ceric-Cerous Dosimeter to measure γ-ray Absorbed Dose in water China Metrological Standards
  • JJG 99-1990
  • Verification Regulation of Weights China Metrological Standards
  • JJG 1020-1990
  • Monitoring Method of Dose Assurence for Radiation Processing with Gamma rays China Metrological Standards
  • JJG 129-1990
  • Verification Regulation of Standard Piston-Type Pressure Gauge (Grade I) China Metrological Standards
  • JJG 121-1990
  • Verification Regulation of Video Noise Meter China Metrological Standards
  • JJG 120-1990
  • Verification Regulation of Wave Form Monitor China Metrological Standards
  • JJG 2080-1990
  • Verification Scheme of Measuring instruments for 14MeV neutron absorbed dose China Metrological Standards
  • JJG 150-1990
  • Verification Regulation of Metal Brinell Hardness Tester China Metrological Standards
  • JJF 1203B-1990
  • (0.633 micron wavelength secondary standard operating technical specifications) China Metrological Standards
  • JJG 638-1990
  • Verification regulation of hydraulic vibration generater system China Metrological Standards
  • JJG 1015-1990
  • General Norm for Pattern Evaluation and Pattern Approval of Measuring Instruments China Metrological Standards
  • JJF 1021-1990
  • The technical examination norm for metrology accreditation of testing unit for testing of product quality China Metrological Standards
  • JJG 64-1990
  • Verification Regulation of Super-Low Frequency Signal Generator China Metrological Standards
  • JJF 1019-1990
  • Postcheck Method for 60Co Radiothorapy Beam Absorbed Dose China Metrological Standards
  • JJF 1289-1990
  • (40 ~ 15000 Hz AC power reference operating technical specifications) China Metrological Standards
  • JJF 1279-1990
  • (Milliwatt ultrasonic power secondary standard operating technical specifications) China Metrological Standards
  • JJF 1018-1990
  • Standard Method for Using the Potassium(silver) Dickromate Dosimeter to Measure γ-ray Absorbed Dose in water China Metrological Standards
  • JJF 1273-1990
  • (High frequency (0.1 ~ 5MHz) sound pressure water base operating technical specifications) China Metrological Standards
  • JJG 642-1990
  • Verification Regulation of Spherical Metal Tank Capacity China Metrological Standards
  • JJG 2049-1990
  • Verification Scheme of Measuring Instruments for International Rubber Hardness Degree China Metrological Standards
  • JJF 1234-1990
  • (5 × 10 Cattle benchmark dynamometer operation Technical Specifications) China Metrological Standards
  • JJG 2053-1990
  • Verification Scheme of Measuring Instruments for Mass China Metrological Standards
  • JJF 1324-1990
  • (Visual density diffuse transmittance reference operating technical specifications) China Metrological Standards
  • JJF 1239-1990
  • (6 × 10 Cattle secondary standard dynamometer operation Technical Specifications) China Metrological Standards
  • JJF 1328-1990
  • (1 to 30 watts of laser power secondary standard operating technical specifications) China Metrological Standards
  • JJF 1329-1990
  • (From 0. 1 to 100 mW laser power reference operating technical specifications) China Metrological Standards
  • JJG(CB)01-1990
  • (Lead-acid battery tester electrical performance test procedures) China Metrological Standards
  • JJF 1303-1990
  • (2cm, 3cm, 5cm phase shift reference operating technical specifications) China Metrological Standards
  • JJG 2063-1990
  • Verification Scheme of Water Flow Measuring Instruments China Metrological Standards
  • JJF 1349-1990
  • (Neutron source intensity baseline operating technical specifications) China Metrological Standards

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