China National Standards

China Precious metals mulit Industry Standards English PDF List

  •  China "Precious metals mulit" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 4725-2014 Precious metals mulit inlaid jewelry with fine art carving
    贵金属艺雕复镶首饰    		 China Light Industry Standards
    Precious metals mulit
    English PDF

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