
Involute spline joints; 30 pressure angle; basic dimensions and test dimensions for module 4
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Involute spline joints; 30 pressure angle; basic dimensions and test dimensions for module 4
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻