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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 173-2004 Gauge for Measuring Distance Between Inside Rim Faces of Wheels for Railway Locomotive and Vehicle

    JJ-China Metrological Standards

    JJG 175-2004 Wheel Contour Gauge for Railway Locomotive and Vehicle

    JJ-China Metrological Standards

    JJG 178-2004 Measure for Gauge for Measuring Distance Between Inside Rim Faces of Wheels for Railway Locomotive and Vehicle

    JJ-China Metrological Standards

    JJG 179-2004 Measurement Machines for Wheel-Height of Railway Vehicle

    JJ-China Metrological Standards

    JJG 180-2004 Clearance Detector of Rolling Stock Gauge for Standard Gauge Railway

    JJ-China Metrological Standards

    JJG 181-2004 Test Instrument of the Train Running and Monitoring and Recording Equipment

    JJ-China Metrological Standards

    JJG 182-2004 Alternating-Current Electrical Energy Meters for Electric Locomotive

    JJ-China Metrological Standards

    JJG 2037-2004 Verification Scheme of Measuring Instruments for Air Borne Acoustics Pressure

    JJ-China Metrological Standards

    JJG 306-2004 Verification Regulation of 24m Invar Wire

    JJ-China Metrological Standards

    JJG 462-2004 Verification Regulation of Secondary Standard Ionization Vacuum Gauges

    JJ-China Metrological Standards

    JJG 46-2004 Verification Regulation of Torsion Balance

    JJ-China Metrological Standards

    JJG 433-2004 Verification Regulation of Phase Comparators

    JJ-China Metrological Standards

    JJG 427-2004 Verification Regulation of Micrometers with Gauge

    JJ-China Metrological Standards

    JJG 39-2004 Verification Regulation of Comparators of Machine Type

    JJ-China Metrological Standards

    JJG 183-2004 The locomotive electrical measurement remote pressure gauge VRof

    JJ-China Metrological Standards

    JJG 356-2004 Verification Regulation of Pneumatic Measuring Instrument for Micrometers

    JJ-China Metrological Standards

    JJG 184-2004 Locomotive odometer VRof

    JJ-China Metrological Standards

    JJG 25-2004 Verification Regulation of Screw Thread Micrometers

    JJ-China Metrological Standards

    JJG 249-2004 Verification regulation of 0.1mW~200W laser power meters

    JJ-China Metrological Standards

    JJG 220-2004 Gauges for Measuring Distance Between Inside Rim Faces of Railway Wheels

    JJ-China Metrological Standards


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