
Retaining rings for bores – Normal type and heavy type, English translation of DIN 472:2017-06
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Retaining rings for bores – Normal type and heavy type, English translation of DIN 472:2017-06
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频