9
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.
transformers, electrical contact rails, mechanical or magnetic adapters for current supply of lamps from an electrical contact rail, electrical wires, and main connecting devices, namely, elements for plug connection-like corner brackets, crossings, and extensions for electrical contact rails