China National Standards

China K1, K2, Industry Standards English PDF List

  •  China " K1, K2," Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    TB/T 1168-1991 (K1, K2, GK-type three-way valve technical conditions)
    k1 k2 gk型三通阀技术条件    		 China Railway & Train Standards
    K1, K2,
    English PDF

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