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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 304-2003 Verification Regulation of Shore A Durometers

    JJ-China Metrological Standards

    JJG 219-2003 Track Gauging Rule for Standard Gauge Railway

    JJ-China Metrological Standards

    JJF 1105-2003 Calibration specification for contact (stylus) instruments of surface roughness measurement by the profile method

    JJ-China Metrological Standards

    JJF 1112-2003 Rules for confirmation of metrology testing system

    JJ-China Metrological Standards

    JJG 332-2003 Verification Regulation of Gear Involute Master

    JJ-China Metrological Standards

    JJF 1069-2003 Rules for the Examination of the Service of Legal Metrological Verification

    JJ-China Metrological Standards

    JJF 1097-2003 Calibration Specification for Straight Edges

    JJ-China Metrological Standards

    JJF 1098-2003 Calibration Specification for Auto-measuring System of Thermocouples and Resistance Thermom

    JJ-China Metrological Standards

    JJF 1099-2003 Calibration Specification of Roughness Comparison Specim

    JJ-China Metrological Standards

    JJF 1101-2003 Calibration specification for the equipment of the environmental testing for temperature and humidity

    JJ-China Metrological Standards

    JJF 1102-2003 Calibration specification for bore dial indicators

    JJ-China Metrological Standards

    JJF 1104-2003 Rule for drafting national verification scheme

    JJ-China Metrological Standards

    JJG 111-2003 Verification Regulation of Clinical Thermometers

    JJ-China Metrological Standards

    JJF 1106-2003 Calibration Specification of Transmittance Measuring Equipment for Ophthalmic Products

    JJ-China Metrological Standards

    JJF 1107-2003 Calibration Specification of Infrared Thermometers for Measurement of Human Temperature

    JJ-China Metrological Standards

    JJF 1108-2003 Calibration Specification for Working Gauge of Rotary Shouldered Connections, Round Thread Casing and Tubing

    JJ-China Metrological Standards

    JJF 1109-2003 Calibration Specification for Concentricity Tester

    JJ-China Metrological Standards

    JJF 1111-2003 Calibration Specification for Modulation Meters

    JJ-China Metrological Standards

    JJG 04-2003 Acceleration due to gravity-Wave Buoy VRof in

    JJ-China Metrological Standards

    JJG 05-2003 Acoustic Wave Height Meter VRof

    JJ-China Metrological Standards


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