Home / Standards / GBT 3323.1-2019 GBT 3323.1-2019 Non-destructive testing of welds — Radiographic testing — Part 1: Film techniques for X-ray and gamma-ray 焊缝无损检测 射线检测 第1部分:X和伽玛射线的胶片技术 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