Home / Standards / GB/T 22085.2-2008 GB/T 22085.2-2008 Active Electron and laser beam welded joints - Guidance on quality levels for imperfections - Part 2:Aluminium and its weldable alloys 电子束及激光焊接接头 缺欠质量分级指南 第2部分：铝及铝合金 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