7 Machines for material-handling technology and machine tools; couplings (except for land vehicles); motor driven pumps, namely piston pumps, wing pumps, rotating positive-displacement pumps, regenerative pumps, centrifugal pumps, heat-circulating pumps; pump units, consisting of pumps, drive motors, and where necessary base plates, couplings, gears and control devices or control apparatus; pump parts for the aforementioned goods, namely pump housings, pump shafts, running wheels, guide wheels, screw spindles, bearings; eccentric rotors, stators; joints, propeller shafts and joint parts for eccentric rotor pumps; pressure stop valves and control valves for pumps; hydraulic equipment and apparatus; oil suction apparatus; apparatus for cleaning abrasive coolers; all aforesaid goods included in Class 7;; Machines for material-handling technology and machine tools; couplings (except for land vehicles); motor driven pumps, namely piston pumps, wing pumps, rotating positive-displacement pumps, regenerative pumps, centrifugal pumps, heat-circulating pumps; pump units, consisting of pumps, drive motors, and where necessary base plates, couplings, gears and control devices or control apparatus; pump parts for the aforementioned goods, namely pump housings, pump shafts, running wheels, guide wheels, screw spindles, bearings; eccentric rotors, stators; joints, propeller shafts and joint parts for eccentric rotor pumps; pressure stop valves and control valves for pumps; hydraulic equipment and apparatus; oil suction apparatus; apparatus for cleaning abrasive coolers; all aforesaid goods included in Class 7