
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)

专家解读视频
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)
专家解读视频