China National Standards

China Specification acid pickling Industry Standards English PDF List

  •  China "Specification acid pickling" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SJ 20893-2003 Specification for acid pickling and passivation for stainless steel
    不锈钢酸洗与钝化规范    		 China Electronics Standards
    Specification acid pickling
    English PDF

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