China National Standards

China Verificaiton Industry Standards English PDF List

  •  China "Verificaiton" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 429-2000 Verificaiton regulation of Measurement Standard Instrument of Roundness and Cylindricity
    圆度、圆柱度测量仪    		 China Metrological Standards
    Verificaiton
    English PDF

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