China National Standards

China Nitrogen leakage test Industry Standards English PDF List

  •  China "Nitrogen leakage test" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JC/T 2313-2015 Nitrogen leakage test machine for nonmetallic sealing material
    非金属密封材料用氮气泄漏率试验机    		 China Building Materials Standards
    Nitrogen leakage test
    English PDF

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