Home / Standards / GB/T 22085.1-2008 GB/T 22085.1-2008 Active Electron and laser beam welded joints - Guidance on quality levels for imperfactions - Part 1:Steel 电子束及激光焊接接头 缺欠质量分级指南 第1部分：钢 Standard Type GBT ICS 25.160.40 CCS J33 Status 现行 Issue Date 2008-06-26 Implementation 2009-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委