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.
electrical wiring devices, fixtures, and accessories-namely, single pole switches, double pole switches, three-way switches, entrance switches, radio and battery switches, one-piece combination switch outlet and wall plates, toggle switches, push-button switches, lock switches, push switches, pull switches, heat resistance switches, convenience outlets, tandem slot outlets, three-wire grounded outlets, weatherproof outlets, weatherproof sockets, weatherproof receptacles, rubber cord sets, current taps, porcelain sockets, bakelite sockets, brass shell sockets, porcelain receptacles, bakelite receptacles, bosettes, switch plates, outlet plates, porcelain wall fixtures, porcelain wall brackets, and porcelain ceiling fixtures