Home / Standards / GB/T 3620.1-1994 GB/T 3620.1-1994 Abolished Designation and composition of titanium and titanium alloys 钛及钛合金牌号和化学成分 Standard Type GBT ICS 77.120.50 CCS H64 Status 废止 Issue Date 1994-02-16 Implementation 1994-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A