GB/T 27744-2021异步起动永磁同步电动机技术条件及能效分级(机座号80~355)标准
英文:Specification and energy efficiency grades for line-start permanent magnet synchronous motors (frame size 80~355) GB/...
英文:Specification and energy efficiency grades for line-start permanent magnet synchronous motors (frame size 80~355) GB/...