China National Standards

China Verification Regulation Four Industry Standards English PDF List


  •  China "Verification Regulation Four" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    JJG 508-2004 Verification Regulation of Resistivity Measuring Instruments with Four-Probe Array Method
    四探针电阻率测试仪检定规程
    China Metrological Standards
    Verification Regulation Four

    English PDF
    JJG 373-1997 Verification Regulation of Four-ball Friction Testing Machine
    四球磨擦试验机检定规程
    China Metrological Standards
    Verification Regulation Four

    English PDF

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