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.
[ telephones and telephonic equipment, namely, automatic dialers, multiple line selector switches, telephone cords, extension line units and jacks; ] security equipment, namely, smoke detectors, [ wired and wireless fire and burglar alarm units; electronic sirens and horns; mechanical sirens and horns used with electronic security equipment; electronic remote transmitters; ] electronic sensors; [ electronic control timer cabinets; electronic switches; electronic keylock switches; electronic bells; mechanical bells used with electronic security equipment; and electronic surveillance cameras ]