Home / Standards / GB 146.2-1983 GB 146.2-1983 Abolished Structure gauge for standard gauge railways 标准轨距铁路建筑限界 Standard Type GB ICS 93.100 CCS S04 Status 废止 Issue Date 1983-11-07 Implementation 1984-10-01 Responsible Dept 国家铁路局 Drafting Unit N/A