China National Standards

China Type B sleeve Industry Standards English PDF List


  •  China "Type B sleeve" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    SY/T 7666-2022 Type B sleeve for oil and gas pipeline defect repair {译}
    油气管道缺陷修复用B型套筒
    China Oil & Gas Industry Standards
    Type B sleeve

    English PDF

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