Home / Standards / GB/T 22669-2008 GB/T 22669-2008 Active Test procedures for three-phase permanent magnet synchronous machines 三相永磁同步电动机试验方法 Standard Type GBT ICS 29.160.30 CCS K21 Status 现行 Issue Date 2008-12-31 Implementation 2009-11-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A