China 'GB/T 4772.3-1999
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 4772.3-1999
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
Issued Date:1999-02-26
Implemented Date:1999-09-01
Issued by:
The Standardization Administration of the People's Republic of China