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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.
electrical apparatii for use with guitars and other purposes-namely amplifiers, loudspeakers, preamplifiers, power amplifiers, signal processing amplifiers, and reverberation units; and components and accessories for such electrical apparatii-namely, amplifier cords, foot pedal controls, switches, transformers, amplifier covers, amplifier volume and tone controls, and speaker cabinets