Cargo handling machines; Central vacuum cleaning installations; Cutting machines; Dust exhausting installations for cleaning purposes; Dust removing installations for cleaning purposes; Electric floor polishing machines and apparatus; Electric wax-polishing machines for household purposes; Floor cleaning machines; Machines and apparatus for carpet shampooing, electric; Sharpening machines; Vacuum cleaner attachments for disseminating perfumes and disinfectants; Vacuum cleaner bags; Vacuum cle...