Home / Standards / GB/T 34628-2017 GB/T 34628-2017 Active Non-destructive testing of welds—General rules for metallic materials 焊缝无损检测 金属材料应用通则 Standard Type GBT ICS 25.160.40 CCS J33 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A