Home / Standards / GB/T 23516-2009 GB/T 23516-2009 Active Special wires of precious metals and their alloys 贵金属及其合金异型丝材 Standard Type GBT ICS 77.120.99 CCS H68 Status 现行 Issue Date 2009-04-08 Implementation 2010-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会