Home / Standards / GBT 37122-2018 GBT 37122-2018 Non-destructive testing—Industrial computed tomography—Test card for maximum detectable steel thickness 无损检测 工业计算机层析成像 检测用最大可检测钢厚度测试卡 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A