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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 apparatus for use with musical instruments, namely, amplifiers; sound amplifiers; musical instrument amplifiers; guitar amplifiers; amplifier speaker cabinets and speaker enclosures; components, accessories and replacement parts for the foregoing goods, namely, speakers, amplifiers power cords, electronic foot pedal controls, amplifier corners, amplifier handles, amplifiers knobs, amplifier controls, adjustable electronic audio bias controls, adjustable electronic feedback controls, variable power controls, power dampening controls, capacitors, diodes, transistors, transformers, variable transformers, amplifier tubes, electronic audio reverberation units, electronic foot pedal controls and assemblies therefor, amplifier switches