Home / Standards / GB/T 15073 GB/T 15073 Active Casting titanium and titanium alloys 铸造钛及钛合金 Standard Type GBT ICS 77.120.50 CCS J31 Status 现行 Issue Date 2014-09-03 Implementation 2015-06-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委