
Geometrical product specifications (GPS) - Micrometers Part 1: Micrometers for external measurements; maximum permissible errors
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Geometrical product specifications (GPS) - Micrometers Part 1: Micrometers for external measurements; maximum permissible errors
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻