问:哪里下载IEC 60072-3 1994 Dimensions and output series for rotating electrical machines - Part 3 Small built-in motors - Flange numbers BF10 to BF50答:请联系微信:siduwenku
IEC 60072-3 1994 Dimensions and output series for rotating electrical machines - Part 3 Small built-in motors - Flange numbers BF10 to BF50