Home / Standards / GB/T 19867.4-2008 GB/T 19867.4-2008 Active Welding procedure specification for laser beam welding 激光焊接工艺规程 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2008-03-31 Implementation 2008-09-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委