Home / Standards / GB/T 23610-2009 GB/T 23610-2009 Active Pt77Co alloy plate Pt77Co合金板材 Standard Type GBT ICS 77.120.99 CCS H68 Status 现行 Issue Date 2009-04-15 Implementation 2010-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A