Home / Standards / GB/T 37901-2019 GB/T 37901-2019 Active Technical requirements for laser welding of high temperature titanium alloy 高温钛合金激光焊接技术要求 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 国家标准委 Drafting Unit N/A