China National Standards

China Milling tools drilling Industry Standards English PDF List

  •  China "Milling tools drilling" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SY/T 6072-2009 Milling tools for drilling and servicing
    钻修井用磨铣鞋    		 China Oil & Gas Industry Standards
    Milling tools drilling
    English PDF

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