Home / Standards / GB/T 3625-2007 GB/T 3625-2007 Active Titanium and titanium alloy tube for condensers and heat exchangers 换热器及冷凝器用钛及钛合金管 Standard Type GBT ICS 77.150.50 CCS H64 Status 现行 Issue Date 2007-04-30 Implementation 2007-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A