Home / Standards / GB/T 4607-1984 GB/T 4607-1984 Abolished Road vehicles--90 semi-trailer fifth wheel coupling pin--Basic and mounting/interchangeability dimensions 道路车辆 半挂车鞍座90号牵引销主要尺寸和安装、互换性尺寸 Standard Type GBT ICS 43.040.50 CCS T72 Status 废止 Issue Date 1984-07-31 Implementation 1985-05-01 Responsible Dept 工业和信息化部 Drafting Unit N/A