Vacuum cleaner attachments for disseminating perfumes and disinfectants; Vacuum cleaners; Robotic vacuum cleaners; Cordless vacuum cleaners; Nozzles for vacuum cleaners; Electric juice extractors; Electric juicers; Power-driven cleaning device for industrial air pollution control equipment, namely, a device that produces high intensity impulse waves that loosen collected or impacted dust and debris without damaging the equipment; Electric fans, ventilators and blowers for motors and engines; ...