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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.
modular photographic camera system for analog photography comprised of camera bodies, helical focusing units, lens adapters to adapt vintage and current lenses to the camera, film backs and adapters to accept various formats of film, digital back adapters to accept medium format digital backs, ground glass backs, lenses and shutters, unexposed camera film, and film developing equipment