[ Automated hydro-thrust cleaning units for pipelines; ] Brushes being parts of machines; Brushes for vacuum cleaners; Car washing installations; [ Central vacuum cleaning installations; Cleaning appliances utilizing steam; ] Dust exhausting installations for cleaning purposes; Dust filters and bags for vacuum cleaners; [ Dust removing installations for cleaning purposes; ] Electric machines and apparatus for carpet shampooing; Filters for cleaning cooling air, for engines; Filters for engine...