China National Standards

China Screw drilling tool Industry Standards English PDF List

  •  China "Screw drilling tool" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 4382-2012 Screw drilling tool rubber stator
    螺杆钻具橡胶定子    		 China Chemical Industry Standards
    Screw drilling tool
    English PDF

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