Home / Standards / GB/T 25117-2020 GB/T 25117-2020 Active Railway applications—Rolling stock—Combined test method for traction systems 轨道交通 机车车辆 牵引系统组合试验方法 Standard Type GBT ICS 29.280 CCS S35 Status 现行 Issue Date 2020-09-29 Implementation 2021-04-01 Responsible Dept 国家铁路局 Drafting Unit N/A