China National Standards

China Rubber seal piston Industry Standards English PDF List

  •  China "Rubber seal piston" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    HG/T 6049-2022 Rubber seal piston for drilling pump {译}
    钻井泵用橡胶密封活塞    		 China Chemistry Industry Standards
    Rubber seal piston
    English PDF

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