China National Standards

China Verification Regulation Expansion Industry Standards English PDF List

  •  China "Verification Regulation Expansion" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 728-1991 Verification Regulation of Expansion Vacuum Apparatus (Grade I)
    一等标准膨胀法真空装置检定规程    		 China Metrological Standards
    Verification Regulation Expansion
    English PDF

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