Home / Standards / GB/T 26953-2011 GB/T 26953-2011 Abolished Non-destructive testing of welds - Penetrant testing of welds - Acceptance levels 焊缝无损检测 焊缝渗透检测 验收等级 Standard Type GBT ICS 25.160.40 CCS J33 Status 废止 Issue Date 2011-07-19 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委