UNE-EN IEC 60773:2021 Rotating electrical machines - Test methods and apparatus for the measurement of the operational characteristics of brushes (Endorsed by Asociación Española de Normalización in July of 2021.)
2021UNE-EN IEC 60773:2021 Rotating electrical machines - Test methods and apparatus for the measurement of the operational characteristics of brushes (Endorsed by Asociación Española de Normalización in July of 2021.)