Home / Standards / GB/T 24598-2009 GB/T 24598-2009 Active Qualification test of welders - Fusion welding for aluminium and aluminium alloys 铝及铝合金熔化焊焊工技能评定 Standard Type GBT ICS 25.160.10 CCS J33 Status 现行 Issue Date 2009-10-30 Implementation 2010-04-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委