
Non-destructive Testing Of Welds - Radiographic Testing - Part 1: X- And Gamma Ray Techniques With Film
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Non-destructive Testing Of Welds - Radiographic Testing - Part 1: X- And Gamma Ray Techniques With Film
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频