DIN EN IEC 60072-1:2021 旋转电机的尺寸和输出系列 第1部分:机座号 56 至 400 和法兰号 55 至 1080(IEC 2/2035/CD:2020)
Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 (IEC 2/2035/CD:2020); Text in German and English