ISO 5673-2:2005
农业拖拉机和机械.动力输出主动轴和动力输入连接.第2部分:PTO主动轴的使用和不同附加装置用PIC和PTO动力传动系统的位置和间隙的规范
Agricultural tractors and machinery - Power take-off drive shafts and power-input connection - Part 2: Specification for use of PTO drive shafts, and position and clearance of PTO drive line and PIC for various attachments