Driving motors, other than for land vehicles, namely, electric motors and hydraulic motors; hydraulic cylinders for motors; hydraulic installations, namely, drive units in the nature of drives for hydraulic actuators, mainly consisting of containers and pumps; [ hyrdaulic ] * hydraulic * installations, namely, control units, mainly consisting of valves and also containing frequency converters for controlling drive units in the nature of drives for hydraulic actuators; drive units in the natur...