Home / Standards / GB/T 6417.2-2005 GB/T 6417.2-2005 Active Classification and explanation of imperfections in pressure welded joints 金属压力焊接头缺欠分类及说明 Standard Type GBT ICS 25.160.40 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