LST ISO 11001-1:1997 Agricultural wheeled tractors and implements - Three - point hitch couplers - Part 1: U - frame coupler (ISO 11001-1:1993, identical)
1997LST ISO 11001-1:1997 Agricultural wheeled tractors and implements - Three - point hitch couplers - Part 1: U - frame coupler (ISO 11001-1:1993, identical)