China National Standards

China Verification Regulation Casing Industry Standards English PDF List

  •  China "Verification Regulation Casing" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JJG 473-2009 Verification Regulation of Casing Coupling Meter
    套管尺检定规程    		 China Metrological Standards
    Verification Regulation Casing
    English PDF

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