
Tabular Layouts Of Properties - Part 141: Hobs With Bore Or Shank For Cylindrical Gears
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Tabular Layouts Of Properties - Part 141: Hobs With Bore Or Shank For Cylindrical Gears
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻