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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 045-2004 Port Machinery-Conveyor Belt Speed Detectors

    JJ-China Metrological Standards

    JJG 042-2004 Port Machinery-Digital Angle Detectors

    JJ-China Metrological Standards

    JJG 177-2003 Verification Regulation of Taper Gauges

    JJ-China Metrological Standards

    JJG 173-2003 Verification regulation of Signal Cenerator

    JJ-China Metrological Standards

    JJG 130-2003 Rail ultrasonic flaw detector VRof

    JJ-China Metrological Standards

    JJG 134-2003 Verification Regulation of Electromagnetic Velocity Transducer

    JJ-China Metrological Standards

    JJG 113-2003 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 19-2003 By tobacco the dedicated smoking machine anemometer VRof for

    JJ-China Metrological Standards

    JJG 24-2003 Verification Regulation of Depth Micrometers

    JJ-China Metrological Standards

    JJG 115-2003 The Railway passenger Hotbox alarm VRof

    JJ-China Metrological Standards

    JJG 128-2003 Standard mercury-in-glass thermometers (Grade Ⅱ)

    JJ-China Metrological Standards

    JJG 146-2003 Verification Regulation of Gauge Blocks

    JJ-China Metrological Standards

    JJG 20-2003 The dedicated tobacco smoking machine suction flow diagram approved procedures

    JJ-China Metrological Standards

    JJG 212-2003 Verification Regulation of Colour Temperature Meters

    JJ-China Metrological Standards

    JJG 213-2003 Verification Regulation of Standard Lamps for Distribution (Colour) Temperature

    JJ-China Metrological Standards

    JJG 22-2003 Verification Regulation of Internal Micromerer

    JJ-China Metrological Standards

    JJG 244-2003 Verification Regulation of Inductive Voltage Divider

    JJ-China Metrological Standards

    JJG 112-2003 Verification Regulation of Metallic Rockwell Hardness Testers (Scales A, B, C, D, E, F, G, H, K, N, T)

    JJ-China Metrological Standards

    JJF 1100-2003 Calibration Specification for Flat Equal Thickness Interferometers

    JJ-China Metrological Standards

    JJG 275-2003 Verification Regulation of the Protractors for Multiple Point Tool

    JJ-China Metrological Standards


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