Home / Standards / GB/T 13231-1991 GB/T 13231-1991 Active Calculated methods of carrying capacity for receiving and dispatching tracks at railway marshalling station(3-stage/3-yard) 铁路编组站到发线通过能力计算方法 (三级三场) Standard Type GBT ICS 03.220.30 CCS S90 Status 现行 Issue Date 1991-10-31 Implementation 1992-07-01 Responsible Dept 国家铁路局 Drafting Unit N/A