Brushes for vacuum cleaners; Dust removing installations for cleaning purposes; Electric cordless sweepers; Electric sweepers; Electric vacuum cleaners and their components; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Filters for cleaning cooling air, for engines; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines; Robotic vacuum cl...