Air filters for mechanical purposes; [ Air filters for vehicle motors and engines; Axles for machines; ] Belts for machines; [ Brushes for vacuum cleaners; Cordless vacuum cleaners; ] Dust exhausting installations for cleaning purposes; [ Electric cordless sweepers; Electric machines and apparatus for carpet shampooing; Electric steam mops; Electric steam mops for household purposes; Leather-working machines; Machine parts, namely, roller bearings; ] Machine wheels; [ Pigs for cleaning pipes;...