
Plain Workshop and Inspection Gauges; Manufacturing Tolerances and Permissible Wear
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plain Workshop and Inspection Gauges; Manufacturing Tolerances and Permissible Wear
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻