
Plain bearings - Quality assurance of sample types - Definitions, applications and testing (ISO 12308:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Plain bearings - Quality assurance of sample types - Definitions, applications and testing (ISO 12308:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻