China National Standards

China Welding Gathering Industry Standards English PDF List

  •  China " Welding Gathering" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 4117-2016 (Code for Welding of Gathering Pipeline in High Sulfide Gas Field)
    高含硫化氢气田集输管道焊接技术规范    		 China Oil & Gas Industry Standards
    Welding Gathering
    English PDF

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