1
Graphites for industrial use, particularly expanded graphites, special graphites for use in nuclear energy, absorbent graphites, carbon and refractory graphite, vitreous carbon, pyrolitic graphite, bore carbon
7
Electrical pumps for industrial and agricultural use; carbon electrodes being machine parts for electrical, technical, electrotechnical, mechanical use, particularly for photogravure; pellets of carbon and of metal-graphite composites for use in rotating electrical machines, namely, electrical motors for machines, generators for machines, alternators for machines; carbon brushes, metal brushes, sliding contacts for use in rotating electrical machines; brush holders being machine parts for use in rotating electrical machinery; rings, namely, systems of metal rings being machine parts that transfer live and earth current between a fixed component and a rotating component; generators for electricity and wind-powered electricity generators
9
Voltage limiters and lightning arresters; lightning conductors
12
Brakes, brake discs and pads for vehicles for locomotion by land, air, water or rail
37
Installation, maintenance and repair of electrical rotating machinery
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