Home / Standards / GB/T 39425-2020 GB/T 39425-2020 Active General technical specfication for the permanent magnetic direct drive motor bogie of urban rail transit 城市轨道交通车辆永磁直驱转向架通用技术条件 Standard Type GBT ICS 45.060.20 CCS S33 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A