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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 1091-2013 Calibrater for Inspecting Instruments for Railway Track

    JJ-China Metrological Standards

    JJF 1420-2013 Program of Pattern Evaluation of Sphygmomanometers

    JJ-China Metrological Standards

    JJF 1419-2013 Program of Pattern Evaluation of Buoy Type Oxygen Inhalator

    JJ-China Metrological Standards

    JJF 1422-2013 Calibration Specification for Coordinated Measuring Spheres

    JJ-China Metrological Standards

    JJG 1090-2013 Inspecting Instruments for for Railway Track

    JJ-China Metrological Standards

    JJG 49-2013 Verification Regulation of Elastic Element Precise Pressure Gauges and Vacuum Gauges

    JJ-China Metrological Standards

    JJG 141-2013 Verification Regulation of Working Noble Metal Thermocouples

    JJ-China Metrological Standards

    JJF 1418-2013 Program of Pattern Evaluation of Pressure Controller

    JJ-China Metrological Standards

    JJG 308-2013 Verification regulation of RF Votlmeters

    JJ-China Metrological Standards

    JJG 2071-2013 Verification scheme of Measuring Instruments for Pressure Range (-2.5~2.5) kPa

    JJ-China Metrological Standards

    JJG 158-2013 Verification Regulation of Compensated Micro-manometer

    JJ-China Metrological Standards

    JJG 117-2013 Verification Regulation of Surface Plates

    JJ-China Metrological Standards

    JJG 113-2013 Verification Regulation of Metallic Rockwell Hardness Reference Blocks (Scales A, B, C, D, E, F, G, H, K, N, T)

    JJ-China Metrological Standards

    JJG 112-2013 Verification Regulation of Metallic Rockwell Hardness Testing Machines (Scales A, B, C, D, E, F, G, H, K, N, T)

    JJ-China Metrological Standards

    JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

    JJ-China Metrological Standards

    JJG 1089-2013 Verification Regulation of Osmometers

    JJ-China Metrological Standards

    JJG 1092-2013 Locomotive Speedmeters

    JJ-China Metrological Standards

    JJG 1080-2013 Verification Regulation of Wheel-Checker for Railway Locomotives and Vehicles

    JJ-China Metrological Standards

    JJG 338-2013 Verification Regulation of Charge Amplifiers

    JJ-China Metrological Standards

    JJG 1088-2013 Verification Regulation of Standard Devices for Calibration of Ophthalmometers

    JJ-China Metrological Standards


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