Cordless vacuum cleaners; paper bags for vacuum cleaners; dust filters and bags for vacuum cleaners; vacuum cleaner hoses; brushes for vacuum cleaners; suction nozzles for vacuum cleaners; dust filters for vacuum cleaners; dust exhausting installations for cleaning purposes; dust removing installations for cleaning purposes; nozzles for vacuum cleaners; hoses for vacuum cleaners; vacuum cleaner bags; electric vacuum cleaners and their components; filters being parts of engines; brushes being ...