
Test procedures for determining physical properties of brush materials for electrical machines (IEC 2/2175/CDV:2024); German and English version prEN IEC 60413:2024
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Test procedures for determining physical properties of brush materials for electrical machines (IEC 2/2175/CDV:2024); German and English version prEN IEC 60413:2024
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻