Brushes for vacuum cleaners; Central vacuum cleaning installations; Cleaning appliances utilizing steam; Dust exhausting installations for cleaning purposes; Dust filters and bags for vacuum cleaners; Dust removing installations for cleaning purposes; Electric fan units for vacuum cleaners; Electric parquet wax-polishers; Electric vacuum cleaners and their components; Robotic vacuum cleaners; Snow ploughs; Suction nozzles for vacuum cleaners; Vacuum cleaner attachments for disseminating perfu...