China National Standards

China Specification application underground Industry Standards English PDF List

  •  China "Specification application underground" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 0029-2012 Specification of application for underground steel coupons
    埋地钢质检查片应用技术规范    		 China Oil & Gas Industry Standards
    Specification application underground
    English PDF

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