Home / Standards / GB/T 19868.1-2005 GB/T 19868.1-2005 Active Welding procedure qualification based on tested welding consumables 基于试验焊接材料的工艺评定 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2005-08-10 Implementation 2006-04-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委