China National Standards

China Swivel petroleum Industry Standards English PDF List

  •  China "Swivel petroleum" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 5530-2013 Swivel for petroleum drilling and workover rigs
    石油钻机和修井机用水龙头    		 China Oil & Gas Industry Standards
    Swivel petroleum
    English PDF

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