Home / Standards / GB 30253-2013 GB 30253-2013 Abolished Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors 永磁同步电动机能效限定值及能效等级 Standard Type GB ICS 27.010 CCS F01 Status 废止 Issue Date 2013-12-18 Implementation 2014-09-01 Responsible Dept 国家标准委 Drafting Unit N/A