Carbon brushes [electricity generators]; commutator brushes [parts of motors]

Scientific, optical, measuring, signalling and checking (supervision) apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; semi-conductors, electrodes, batteries (electric), solar collectors and solar modules for generating electricity; commutators for electric motors

Plastic composites (semi-finished products), especially having a semi-conducting layer, for the manufacture of solar energy plants, batteries, and peltier elements

Scientific and technological services, especially in the fields of semi-conductor technology, electronics, electrical engineering, solar energy, hydroelectric and wind power plants, hybrid technology, electric vehicles