Carpet cleaning machines; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Electric machines and apparatus for carpet shampooing; Electric machines and apparatus for cleaning rugs, carpets, floors; Electric vacuum cleaners; Floor cleaning machines; Floor scrubbing machines; Machines and apparatus for carpet shampooing, electric; Rechargeable sweepers; Road sweeping machines; Road sweeping machines, self-propelled; Robotic vacuum cleaners;...