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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.
backpack portable video projection and public address system comprised of a multisource video projector, projection screen and screen stand, microphone, amplifier, microphone pre-amplifier, speakers, connection cables, digital still camera, which can also be used as a video camera and connect to the projector to display live video on the projection screen, lithium ion batteries, solar rechargeable flash light, and a solar panel for the production of electricity