DIN ISO 7653:1986 道路车辆.商用车辆.动力输出装置(PTO)和辅助传动装置之间的偶合器.与 ISO 7653相同, 1985版((状况如同1986版)
Road vehicles, commercial vehicles; couplings between power take-offs and ancillary driven units; identical with ISO 7653, edition 1985 (status as of 1986)
The standard lays down the diemensions of couplings between powertake-offs (PTO) and ancillary driven units mounted on commercial vehicles, such as hydraulic-pumps, etc..