Home / Standards / GB/T 27744-2011 GB/T 27744-2011 Abolished Specification for premium efficiency three-phase permanent magnet synchronous motor(frame size 132~280) 超高效三相永磁同步电动机技术条件(机座号132-280) Standard Type GBT ICS 29.160.30 CCS K21 Status 废止 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 中国电器工业协会 Drafting Unit 中国电器工业协会