Computers; Photocopiers, namely, photographic, electrostatic and thermic photocopiers; Nautical signaling apparatus, namely, transmitters of electronic signals; Electric navigational instruments; Satellite navigational apparatus, namely, global positioning system; Optical communication device, namely, optical transmitter; Video cameras; Anti-intrusion alarms; Accumulators, electric accumulators; Antennas; Navigation apparatus for vehicles; Nautical apparatus and instruments, namely, electroni...