Home / Standards / GB/T 37893-2019 GB/T 37893-2019 Active Recommendation procedure specification for Laser-arc hybrid welding 激光-电弧复合焊接推荐工艺方法 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