China National Standards

China Terminology imperfections OCTG Industry Standards English PDF List

  •  China "Terminology imperfections OCTG" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 6445-2000 Terminology of imperfections in OCTG and line pipe
    石油管材常见缺陷术语    		 China Oil & Gas Industry Standards
    Terminology imperfections OCTG
    English PDF

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