Pumps and compressors as parts of machines, motors and engines; Valves being parts of machines; Valves for pumps; Water aeration systems comprising water pumps, air compressors and air blowers; Back pressure valves as parts of machines; Fluid power component kit for machine control comprising pumps and valves; High-pressure pumps for washing appliances and installations; Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic co...