China National Standards

China 999 gold Industry Standards English PDF List

  •  China "999 gold" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 4114-2010 999% gold alloy inlay jewellery. Inlay fastness
    千足金镶嵌首饰 镶嵌牢度    		 China Light Industry Standards
    999 gold
    English PDF

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