Home / Standards / GB/T 4772.3-1999 GB/T 4772.3-1999 Active Dimensions and output series for rotating electrical machines--Part 3:Samll built-in motors--Flange numbers BF10 to BF50 旋转电机尺寸和输出功率等级 第3部分:小功率装入式电动机 凸缘号BF10～BF50 Standard Type GBT ICS 29.160.01 CCS K20 Status 现行 Issue Date 1999-02-26 Implementation 1999-09-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A