Scientific, nautical, surveying, electric, photographic, cinematographic, optical, weighing, measuring, signaling, checking, supervision, life-saving and teaching apparatus and instruments, namely, electric street signs for buses and trains; audiovisual next-stop information devices, namely, audiovisual instruments and displays; computer operating system for fleet management, namely, electric street signs for airports, electric signs at bus stops; computer operating system, namely, software instruments and displays for monitoring bus entry/exit and in/out of depot, refueling monitoring, arrival-departure signs, electric signs for shelters or rails, gate and check-in indicators for airports, display for tickets and booking-office, computer operating system to avoid queues, namely, audio speakers for stations; reception information system, namely, software instruments and displays; electric signs for municipal information notices and communications to citizens, election instruments and displays; electric signs for sports; production monitoring display, variable message panels for streets and traffic information, electric cross and arrow display signs to signal drivability of a lane, computer operating system to direct parking, namely, instruments and monitoring displays; panels at variable messages on trailers, graphical multicolor displays, electronic signs for shops, shop-windows and commercial activity for use in the field of industrial automation; software and instruments for recording, transmission or reproduction of sound or images, magnetic data carriers, recording discs, automatic vending machines and mechanisms for coin-operated apparatus, cash registers, calculating machines and data processing machines for use in the field of industrial automation