Home / Standards / GB 11887-2008 GB 11887-2008 Abolished Jewellery - Fineness of precious metal alloys and designation 首饰 贵金属纯度的规定及命名方法 Standard Type GB ICS 39.060 CCS Y88 Status 废止 Issue Date 2008-12-31 Implementation 2009-11-01 Responsible Dept 中国轻工业联合会 Drafting Unit 中国轻工业联合会