Home / Standards / GB/T 6656-2025 GB/T 6656-2025 Active D.C. ferrite permanent magnet motors 铁氧体永磁直流电动机 Standard Type GBT ICS 29.160.30 CCS K23 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A