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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, Purchase services.
  •  China "JJ" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    JJG 984-2004 Verification Regulation of Earth-Continuity Testers

    JJ-China Metrological Standards

    JJG 882-2004 Verification Regulation of the Pressure Transmitter

    JJ-China Metrological Standards

    JJG 985-2004 Verification Regulation of Reference Standard Facility of High Temperature Platinum Resistance Thermometers

    JJ-China Metrological Standards

    JJG 795-2004 Verification regulation of withstanding voltage testers

    JJ-China Metrological Standards

    JJG 631-2004 Ammonia Analyzers

    JJ-China Metrological Standards

    JJG 746-2004 Verification Regulation for Ultrasonic Flaw Detectors

    JJ-China Metrological Standards

    JJG 744-2004 Verification Regulation of Medical diagnostic X-ray Radiation Source

    JJ-China Metrological Standards

    JJG 7-2004 Verification Regulation of Squares

    JJ-China Metrological Standards

    JJG 70-2004 Verification Regulation of Angle Gauge Blocks

    JJ-China Metrological Standards

    JJG 693-2004 the Alarmer Detectors of Combustible Gas

    JJ-China Metrological Standards

    JJG 665-2004 Verification Regulation of Ultrasonic Power Meter for Milliwatt Level

    JJ-China Metrological Standards

    JJG 661-2004 Verification Regulation of Flatness Interferometer with Isoclinic Circle Fringe

    JJ-China Metrological Standards

    JJG 801-2004 Verification Regulation of Chemiluminescent NO/NOx Analyzers

    JJ-China Metrological Standards

    JJG 187-2004 A fixed frog wear scale test procedures

    JJ-China Metrological Standards

    JJG(JT)058-2004 Compaction Instrument of Soil

    JJ-China Metrological Standards

    JJG 988-2004 Verification Regulation of Vertical Metal Tank Diametrical Deviation Measuring Instrument

    JJ-China Metrological Standards

    JJG 131-2004 Verification Regulation of the Electric Contact Mercury-in-Glass Thermometers

    JJ-China Metrological Standards

    JJG 156-2004 Verification regulation for table balances

    JJ-China Metrological Standards

    JJG 157-2004 Calibrater of Ultrasonic Flaw Detector for Rail

    JJ-China Metrological Standards

    JJG 171-2004 Verification Regulation of Ralative Density Balance for Liquid

    JJ-China Metrological Standards


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