Home / Standards / GB/T 13051-1991 GB/T 13051-1991 Abolished Motor vehicles--Connections for PTO 汽车机械式变速器动力输出孔连接尺寸 Standard Type GBT ICS 43.040.50 CCS T21 Status 废止 Issue Date 1991-07-11 Implementation 1992-03-01 Responsible Dept 工业和信息化部 Drafting Unit N/A