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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus 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, data processing equipment and computers; fire-extinguishing apparatus.
apparatus for storing electric energy and supplying electric power, namely, electric batteries, electric accumulators, and electric accumulator batteries in the nature of electric accumulators for powering aircraft, namely, electric accumulators for starter systems for motors and auxiliary power units, and for emergency power supply; apparatus and devices for control, management, supervision, whether local or remote, and security of the aforesaid apparatus and devices, namely, circuit breakers, thermal control apparatus in the nature of thermal sensing devices, namely, thermocouples, and overvoltage protection devices in the nature of voltage surge protectors; chargers for the aforementioned batteries