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.
assemblies for electric power transmission-namely, trolley busways and trolleys, bus bars with insulation and housing therefor, and parts of said assemblies; and accessories for said assemblies-namely, coupling plates, end caps, end feed sets, current connection boxes, hanger straps and supports, fuse blocks