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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 664-1990
  • (Medical Accelerator X radiation test procedures) JJ
    China Metrological Standards
  • JJG(DZ)1017-1990
  • (Electron microprobe analyzer test procedures) JJ
    China Metrological Standards
  • JJG 2057-1990
  • Verification Scheme of Plane Angle Measuring Instruments JJ
    China Metrological Standards
  • JJG 41-1990
  • Verification Regulation of Thread Measuring Wires JJ
    China Metrological Standards
  • JJF 1267-1990
  • (2. 5 × 10 ~ 1 × 10 m/s impact acceleration reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1266-1990
  • (Low frequency vibration perpendicular to operate secondary standard technical specifications) JJ
    China Metrological Standards
  • JJF 1283-1990
  • (DC electromotive force reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1235-1990
  • (1 × 10 Cattle benchmark dynamometer operation Technical Specifications) JJ
    China Metrological Standards
  • JJF 1254-1990
  • (1000 to 4000 ml capacity reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1232-1990
  • (Kg weight testified benchmark operating technical specifications) JJ
    China Metrological Standards
  • JJF 1269-1990
  • (Coupled cavity reciprocity law reference sound pressure operating technical specifications) JJ
    China Metrological Standards
  • JJF 1284-1990
  • (DC EMF secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1287-1990
  • (DC current (1A) reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1278-1990
  • (Milliwatt ultrasonic power base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1280-1990
  • (Air conduction hearing level zero baseline operating technical specifications) JJ
    China Metrological Standards
  • JJF 1285-1990
  • (DC resistance of the base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1238-1990
  • (5 × 10 Cattle benchmark dynamometer operation Technical Specifications) JJ
    China Metrological Standards
  • JJF 1225-1990
  • (Water flow benchmark operating specification 1. 6 to 146 m3/h) JJ
    China Metrological Standards
  • JJF 1253-1990
  • (International rubber hardness reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1286-1990
  • (DC resistance of the secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1250-1990
  • (Vickers hardness of secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1275-1990
  • (Low frequency (1 ~ 2000Hz) sound pressure water base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1264-1990
  • (Low-level operation of the technical specifications to vibration secondary standard) JJ
    China Metrological Standards
  • JJF 1246-1990
  • (Rockwell hardness of secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1234-1990
  • (5 × 10 Cattle benchmark dynamometer operation Technical Specifications) JJ
    China Metrological Standards
  • JJF 1272-1990
  • (Reference sound pressure air (free field) operating technical specifications) JJ
    China Metrological Standards
  • JJF 1261-1990
  • (IF benchmark operating vibration specification) JJ
    China Metrological Standards
  • JJF 1260-1990
  • (Dither reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1290-1990
  • (AC power to operate temporary benchmark specification) JJ
    China Metrological Standards
  • JJF 1257-1990
  • (100 to 150 ml capacity reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1274-1990
  • (IF (2 ~ 100kHz) sound pressure water base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1249-1990
  • (Vickers hardness of the base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1245-1990
  • (Rockwell hardness of the base operating technical specifications) JJ
    China Metrological Standards
  • JJF 1248-1990
  • (Rockwell hardness secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1244-1990
  • (Brinell hardness of secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1277-1990
  • (Watts ultrasonic power secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1242-1990
  • (1 × 10 Cattle Bench operating torque specification) JJ
    China Metrological Standards
  • JJF 1262-1990
  • (IF secondary standard operating vibration specification) JJ
    China Metrological Standards
  • JJF 1241-1990
  • (5 × 10 Cattle Bench operating torque specification) JJ
    China Metrological Standards
  • JJF 1240-1990
  • (1 × 10 Cattle benchmark dynamometer operation Technical Specifications) JJ
    China Metrological Standards
  • JJF 1268-1990
  • (4 × 10 ~ 2. 5 × 10 m/s shock acceleration reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1341-1990
  • (4πβ (PPC) -γ activity in line with the benchmark operating deputy technical specifications) JJ
    China Metrological Standards
  • JJF 1220-1990
  • (903. 89 ~ 1337. 58K reference operating temperature specification) JJ
    China Metrological Standards
  • JJG 641-1990
  • Verification Regulation of Liquefied Petroleum Gas Tank Car Volume JJ
    China Metrological Standards
  • JJG(DZ)1010-1990
  • (Microphotometer test procedures) JJ
    China Metrological Standards
  • JJG(DZ)1011-1990
  • (Spectrograph test procedures one meter plane grating) JJ
    China Metrological Standards
  • JJF 1347A-1990
  • ((10 ~ 50kV) X-ray dose to secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1343-1990
  • (2πα, 2πβ particle reflectance reference operating technical specifications) JJ
    China Metrological Standards
  • JJG(DZ)1008-1990
  • (Ion chromatography test procedures) JJ
    China Metrological Standards
  • JJG 39-1990
  • Verification Regulation of Comparator of Machinery Type JJ
    China Metrological Standards
  • JJG 665-1990
  • Verification Regulation of Ultrasonic Power Meter for Milliwatt Level JJ
    China Metrological Standards
  • JJF 1335-1990
  • Operating Technical Norm of Secondary Standard for Spectral Reflectance in the Range of 800~2000 nm JJ
    China Metrological Standards
  • JJF 1333-1990
  • (500 ~ 1000K whole irradiation reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1332-1990
  • (The laser energy secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1320-1990
  • (Color temperature secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1342-1990
  • (Low background 4πα, 4πβ activity reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1319-1990
  • (Color temperature reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1315-1990
  • (Vice illuminance reference operating technical specifications) JJ
    China Metrological Standards
  • JJG(TZ)121-1990
  • (Brake hose connector body gauge test procedures for railway vehicles) JJ
    China Metrological Standards
  • JJG(DZ)1001-1990
  • (Atomic absorption spectrophotometer test procedures) JJ
    China Metrological Standards
  • JJF 1361-1990
  • (The proportion of the value of the reference frequency current operating technical specifications) JJ
    China Metrological Standards
  • JJG(DZ)1002-1990
  • (UV / Vis spectrophotometer test procedures) JJ
    China Metrological Standards
  • JJF 1357-1990
  • (Electrolyte conductivity benchmark operating technical specifications) JJ
    China Metrological Standards
  • JJF 1356-1990
  • (Acidity (pH) reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1353-1990
  • (Combustion heat benchmark operating technical specifications) JJ
    China Metrological Standards
  • JJG 643-1990
  • (Chinese Industry Standard) JJ
    China Metrological Standards
  • JJG(DZ)1004-1990
  • (Oscilloscope polarograph test procedures) JJ
    China Metrological Standards
  • JJG 2069-1990
  • Verification Scheme of Measuring Instruments for specular Gloss JJ
    China Metrological Standards
  • JJG(DZ)1005-1990
  • (Laser uranium analyzer test procedures) JJ
    China Metrological Standards
  • JJG 98-1990
  • Verification Regulation of Non-automatic Balance JJ
    China Metrological Standards
  • JJG 692-1990
  • Verification regulation of non-invasive automated sphygmomanometers JJ
    China Metrological Standards
  • JJG 677-1990
  • Verification regulation of interference type methane measuring device JJ
    China Metrological Standards
  • JJG 676-1990
  • Verification regulation of working measuring vibration instruments JJ
    China Metrological Standards
  • JJG 672-1990
  • (Isothermal oxygen bomb calorimeter test procedures) JJ
    China Metrological Standards
  • JJG(YD)007-1990
  • Specification for verification of microwave system analyzers JJ
    China Metrological Standards
  • JJF 1292-1990
  • (Inductance reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1216-1990
  • (90. 188 ~ 273. 15K reference operating temperature specification) JJ
    China Metrological Standards
  • JJF 1213-1990
  • (Gear helix reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1212-1990
  • Operating technical norm of secondary standard of flatness JJ
    China Metrological Standards
  • JJF 1306-1990
  • Operating technical norm of 3 cm, 5 cm coaxial thermal noise primary standard JJ
    China Metrological Standards
  • JJF 1209-1990
  • Operating technical norm of laser small angle inteferometer primary standard JJ
    China Metrological Standards
  • JJF 1294-1990
  • (Magnetization reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1296-1990
  • (10 to 3000 MHz operating voltage reference specification) JJ
    China Metrological Standards
  • JJF 1204-1990
  • (0.612 micron wavelength reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1203A-1990
  • (0.633 micron wavelength secondary standard operating technical specifications) JJ
    China Metrological Standards
  • JJF 1300-1990
  • (3cm, 5cm attenuation reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1305-1990
  • (3cm impedance reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1298-1990
  • (3cm power reference operating technical specifications) JJ
    China Metrological Standards
  • JJG 2054-1990
  • Verification Scheme of Measuring Instruments for Vibration JJ
    China Metrological Standards
  • JJF 1301-1990
  • (As of 30 MHz reference operating attenuation specification) JJ
    China Metrological Standards
  • JJG 115-1990
  • (Chinese Industry Standard) JJ
    China Metrological Standards
  • JJG 18-1990
  • Verification Regulation of Glass Syringes for Medical Use JJ
    China Metrological Standards
  • JJF 1218-1990
  • (273. 15 ~ 903. 89K reference operating temperature specification) JJ
    China Metrological Standards
  • JJF 1222-1990
  • Operating Technical Norm of Tempera-ture Primary Standard in the Range from 1337 to 2273 K JJ
    China Metrological Standards
  • JJF 1229-1990
  • (1 × 10 ~ 1 Pa vacuum reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1252-1990
  • (The hardness of the base operating microscope technical specifications) JJ
    China Metrological Standards
  • JJF 1215-1990
  • Operating technical norm of temperature primary standard in the range from 13. 81 to 273. 15 K JJ
    China Metrological Standards
  • JJF 1223-1990
  • (From 0. 1 to 10 MPa pressure reference operating technical specifications) JJ
    China Metrological Standards
  • JJF 1217-1990
  • Operating technical norm of temperature secondary standard in the range 90. 188 to 273. 15 K JJ
    China Metrological Standards
  • JJF 1221-1990
  • (903. 89 ~ 1337. 58K secondary standard operating temperature specification) JJ
    China Metrological Standards

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