Home / Standards / GB/T 17125-1997 GB/T 17125-1997 Abolished Agricultural tractors andimplements--Four-point rigid hitch--Specifications 农业拖拉机和机具 四点刚性挂接装置 技术规范 Standard Type GBT ICS 65.060.10 CCS B90 Status 废止 Issue Date 1997-12-01 Implementation 1998-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A