Home / Standards / GB/T 46720-2025 GB/T 46720-2025 Active General technical specification for bogies of urban rail transit vehicles 城市轨道交通车辆转向架通用技术条件 Standard Type GBT ICS 45.060.20 CCS S33 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A