Home / Standards / GB/T 23431-2009 GB/T 23431-2009 Active General technical specification for urban light rail traffic coupled vehicles 城市轻轨交通铰接车辆通用技术条件 Standard Type GBT ICS 93.080 CCS Q84 Status 现行 Issue Date 2009-03-23 Implementation 2009-11-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A