7 Sliding inserts for sliding bearings for machines; Bearings, as parts of machines; Automotive and machine parts, namely, engine Seals; Machine parts, namely, Mechanical seals; Metal and ceramic Seal rings for use with pumps, compressors, turbomachinery and centrifuges; Machine or engine components made of carbon, graphite, carbon materials, impregnated carbon materials, carbon graphite materials, carbon composites, silicon carbide-graphite composites, silicon carbide and ceramics, in particular sliding inserts, bearings, pistons, seals and seal rings; Pistons for machine and engine parts; piston rings; sliding bearings for machines; diamond-coated slide bearings for machines; slide rings, namely, for machines; diamond-coated slide rings for machines; Machine parts, namely, Shaft sleeves for mechanical wear-resistance, chemical wear-resistance and reduced friction of machine shafts; Machine parts, namely, Shaped parts for mechanical wear-resistance, chemical wear-resistance and reduced friction between machine parts; Brake discs being parts of machines, other than vehicles; Friction rings namely, brake discs, friction wheels for frictional drives and roller gears; Machine parts, namely, Micro-components of carbon, graphite and ceramics for counters and centering with mechanical wear-resistance, chemical wear-resistance and reduced friction; Machine parts, namely, Gate valves; Machine parts, namely, Slide valves; Machine parts, namely, rotors; Machine parts, namely, stators; Machine parts, namely, rotors for pumps, compressors and blowers; electric motors, except for land vehicles; electric motors, and their parts, not for land vehicles; pump motors, and their parts; pump components, namely, housings, pump wheels, seals, pump shafts and connectors (as far as included in Class 7)