
Concept For The Design Of 3d Models Based On Properties According To Din 4000 - Part 80: Screwing Tabs, Cold Forming Taps And Screwing Dies
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Concept For The Design Of 3d Models Based On Properties According To Din 4000 - Part 80: Screwing Tabs, Cold Forming Taps And Screwing Dies
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻