Engines not for land vehicles; machine parts, namely, mechanical drive units not for land vehicles; hydraulic controls for machines and engines; hydraulic pumps; servomotors other than for land vehicles; servo-control valves being parts of machines; valves for pumps; all aforesaid goods exclusively for use in the manufacturing industry for linear axes, in particular for machines for workpiece machining and workpiece transport, and testing machines but not including drives for valves or fittings