Automatic swimming pool cleaners and parts therefor; Brushes for vacuum cleaners; Cordless vacuum cleaners; Dust filters and bags for vacuum cleaners; Dust removing installations for cleaning purposes; Electric cordless sweepers; Electric sweepers; Filters for cleaning cooling air, for engines; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Spray paint systems comprised of pumps, pump controllers, nozzles, tubing and valves