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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.
loudspeakers and related articles, namely, audio crossovers, loudspeaker drive units, loudspeaker enclosures, electric cables and wires, loudspeaker terminals, bass reflex port tubes for loudspeakers, subwoofers and mounting brackets adapted for loudspeakers