China National Standards

China Protractors Industry Standards English PDF List

  •  China "Protractors" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 275-2003 Verification Regulation of the Protractors for Multiple Point Tool
    多刃刀具角度规检定规程    		 China Metrological Standards
    Protractors
    English PDF

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