
Flanges - Projection With Groove And Recess, Nominal Pressures 10 To 40 - Design Dimensions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Flanges - Projection With Groove And Recess, Nominal Pressures 10 To 40 - Design Dimensions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频