7 High and low-pressure cleaners, namely, pressure washing machines and structural parts therefor, in particular float valves, high-pressure pumps, safety valves, pressure switches, flow monitoring devices, filters, heat exchangers, valve guns, nozzles, dosage valves for chemicals, injectors for chemicals, sand and lime, brushing heads, high-pressure hoses, lances and hose couplings sold as a unit; power-operated spray guns and spray lances for machine-like cleaning devices or other machines; valves as machine components for machine-like cleaning devices or other machines; washing brushes for machine-like cleaning devices or other machines; machine-like sand blasting cleaners and injectors therefor; machine parts for high and low-pressure cleaners, namely, pipe cleaning hoses for machine-like pipe cleaning devices; machine parts for high and low-pressure cleaners, namely, pressure, suction and dosing pumps and structural parts therefor; compressors for machines and structural parts therefor; power-operated cleaning machines and structural parts, namely, steam guns, lances, nozzles, valves and fittings, respectively for steam cleaners or machines; foam injectors being machine parts; cleaning machines, namely machine-like floor cleaners and wall cleaners; channel-cleaning nozzles for high and low-pressure cleaners and structural parts thereof and devices being structural parts thereof, respectively for machine-like channel cleaners