China National Standards

China Verification Regulation Diaphragm Industry Standards English PDF List

  •  China "Verification Regulation Diaphragm" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 577-2012 Verification Regulation of Diaphragm Gas Meters
    膜式燃气表    		 China Metrological Standards
    Verification Regulation Diaphragm
    English PDF

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