Home / Standards / GB/T 29711-2013 GB/T 29711-2013 Abolished Non-destructive testing of welds - Ultrasonic testing - Characterization of indications in welds 焊缝无损检测 超声检测 焊缝中的显示特征 Standard Type GBT ICS 25.160.40 CCS J33 Status 废止 Issue Date 2013-09-18 Implementation 2014-06-01 Responsible Dept 国家标准委 Drafting Unit N/A