Electric carpet sweepers; Floor cleaning machines; Vacuum cleaners; Dust exhausting installations for cleaning purposes; Vacuum heads for vacuum cleaning machines; Cleaning appliances utilizing steam; Floor washing machines; Road sweeping machines, self-propelled; Electric vacuum cleaners; Vacuum cleaner hoses; Machines and apparatus for cleaning floor surfaces, electric; Vacuum cleaner bags; Dust removing machines for cleaning purposes; Brushes for vacuum cleaners; Suction nozzles for vacuum...