
GO plug gauges over 40 mm up to 250 mm nominal diameter for use in precision engineering
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
GO plug gauges over 40 mm up to 250 mm nominal diameter for use in precision engineering
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻