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International Standard Category: Jewellery

QB 1131-2005    Jewellery-the provision of gold coatings tickness
首饰 金覆盖层厚度的规定 ;
Category No.:39.06 Valid Status:valid
Issued Organization:NDRC Issued Date:2005-9-23
Implemented Date:2006-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
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