GB/T 3323.1-2019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国家标准
英文:Non-destructive testing of welds—Radiographic testing—Part 1:X- and gamma-ray techniques with film GB/T 3323.1-2019介绍...
英文:Non-destructive testing of welds—Radiographic testing—Part 1:X- and gamma-ray techniques with film GB/T 3323.1-2019介绍...