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Knife sharpening machines, Blade sharpening machines; Blade sharpening [stropping] machines; Current generators; Machines and machine tools for treatment of materials and for manufacturing; Industrial robots; Cutting, drilling, abrading, sharpening and surface treatment machines and apparatus; Machine tools; Power operated tools; Mechanical tools; Electric food slicers; Knife-sharpening machines; Sharpening wheels [electric machines]; Grindstones [parts of machines]; Grindstones [parts of machines]; Electric sharpeners; Machine tools for grinding; Power operated sharpeners; Sharpening machines; Ski edge sharpening tools, electric; Level grinding machines; Blade and tool sharpening machines for industrial purposes; Blade sharpening [stropping] machines, in relation to the following goods: Band saws, Circular saws and Blade saws; Electric knife sharpeners; Sharpening machines for blades (Electric -); Trueing machines; Bench grinders [machines]; Grinding machines [for metalworking]; Grinders being power tools; Grinding machines for refacing the edges of tools; Washing machines [laundry]; Industrial washing machines; Ultrasonic washing machines; Sanding machines; Grinding tools for grinding machines; Steam traps; Sweeping, cleaning, washing and laundering machines; Robotic cleaning machines; Filtration machines, separators and centrifuges; Machines, machine tools, and power-operated tools and apparatus, for fastening and joining; Material production and processing machines; Precision machine tools; Tools for machine tools; Abrasive discs [machine tools]; Grinding machines for cutting tools; Knife-sharpening machines; Blade grinding machines; Woodturning lathes; Lathes [machine tools]; Grinding tools [parts of machines]; Steam traps with textile filters for lubro-refrigerant liquids for removal of shavings with machine tools; Steam traps with magnetic discs for lubro-refrigerant liquids for removal of shavings and magnetic impurities with machine tools