Home / Standards / GB/T 37122-2018 GB/T 37122-2018 Active Non-destructive testing—Phantom of maximum detectable steel thickness for industrial computed tomography(CT) 无损检测 工业计算机层析成像(CT) 检测用最大可检测钢厚度测试卡 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2018-12-28 Implementation 2019-07-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委