Home / Standards / GB/T 188-1963 GB/T 188-1963 Active Locomotive and car clearance boundary and structure clearance boundary for 762mm gauge railways--Classification and basic dimensions 762毫米轨距铁路机车车辆限界和建筑接近限界分类及基本尺寸 Standard Type GBT ICS 91.100 CCS S04 Status 现行 Issue Date 1963-10-17 Implementation 1964-01-01 Responsible Dept 国家铁路局 Drafting Unit N/A