Brushes for vacuum cleaners; commercial and industrial vacuum cleaners; dust filters and bags for vacuum cleaners; electric fan units for vacuum cleaners; electric vacuum cleaners; electric vacuum cleaners and their components; hoses for vacuum cleaners; multi-purpose steam cleaners; robotic vacuum cleaners; suction nozzles for vacuum cleaners; vacuum cleaner bags; vacuum cleaner hoses; vacuum cleaners; vacuum cleaners for household purposes; vacuum cleaners for industrial purposes