Home / Standards / GB/T 4549.4-1984 GB/T 4549.4-1984 Abolished Rolling stock terms--Coupler,draft gear and vestibule diaphragm 铁道车辆名词术语 车钩缓冲及风挡装置 Standard Type GBT ICS 45.060 CCS S50 Status 废止 Issue Date 1984-07-03 Implementation 1985-05-01 Responsible Dept N/A Drafting Unit N/A