7 Suction apparatus, namely, dust extractors; suction hoses for vacuum cleaners and for dust extractors, [ exhaust hoods for processing machines ]; vacuum cleaners; filters for exhaust machines; machines for processing and/or working of metal, timber, plastics, concrete or stone and similar materials, said machines being driven electrically or by compressed air, namely, routing machines, sanding machines [ and power files ]; grinding machines; polishing machines, [ brushing machines ]; sawing machines; milling machines; planing machines; drilling machines; [ hammer drills; electric and pneumatic plate shears ]; motor-driven apparatus for the fastening technics, namely, screwing machines; guides and stops for processing machines, angle setting units for guide rails said guide rails to be used for guiding processing machines; [ drill stands; electrically, pneumatically or hydraulically operated clamping apparatus, namely, vices; mechanically driven stirring machines and carpet removing machines and their parts; ] machine tool parts, namely, saw blades, milling cutters, grinding discs, grinding sheets, [ grinding rollers, cutting discs, ] polishing, sponges, [ brushes, knives, ] planing heads, drills, [ chisels, ] screwing bit inserts for screwing machines, copying rings, centering mandrels, [sanding sleeves, sanding belts, carpet remover blades and stirring rods ]; transport cases and containers specially adapted and designed for machines