China 'GB/T 21972.3-2013
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21972.3-2013
Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications―Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors (cooled with centrifugal fan)for crane and met 起重及冶金用变频调速三相异步电动机技术条件 第3部分:YZP系列起重及冶金用变频调速三相异步电动机(离心风机冷却)
Issued Date:2013-12-17
Implemented Date:2014-05-10
Issued by:
The Standardization Administration of the People's Republic of China