7 machines for materials-handling systems and machine tools; couplings; hand and motor-driven pumps, namely reciprocating pumps, wing pumps, rotary positive-displacement pumps, side channel pumps, centrifugal pumps, circulating pumps for heating systems; pumps sets consisting of pump, drive motor, base plate if necessary, couplings, gearing and control devices or control units; pump parts for the aforementioned goods, namely pump housings, pump shafts, impellers, guide wheels, screw spindles, bearings; eccentric screws, stators; joints, articulated shafts and joint parts for eccentric screw pumps; safety valves; pressure maintaining valves and control valves for pumps; hydraulic devices and hydraulic apparatus; oil extraction devices; drinking trenches for cattle; apparatus for the purification of grinding coolants; all the aforementioned goods