
ISO general purpose metric screw threads Part 52: Multi-start thread tolerances and deviation of profile
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO general purpose metric screw threads Part 52: Multi-start thread tolerances and deviation of profile
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻