Home / Standards / GB/T 31910-2015 GB/T 31910-2015 Active Titanium alloy plates for submersible 潜水器用钛合金板材 Standard Type GBT ICS 77.150.50 CCS H64 Status 现行 Issue Date 2015-09-11 Implementation 2016-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A