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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.
photographic articles-namely, finders, distance meters, range finders, exposure meters, color filters with and without mountings, auxiliary lenses, automatic releases, cases, tripods, tripod heads, enlarging apparatus, projection apparatus, printing apparatus, film spools, film slides, lenses, camera shutters, carrying straps, stereo auxiliaries, stereo viewers, lens caps, solar diaphragms, apparatus for developing sensitized photographic materials, viewing lenses and apparatus for determining the depth of focus tables, thermometers for photographic developing tanks, electrical flash bulbs and synchronizers, flash gun units (synchronizers), film rewinds for rewinding photographic films from one reel to another, binoculars, telescopes, lighting units, batteries, viewers, sensitized plates, developing trays, sensitized film, sensitized photographic papers, cameras, camera parts, audiovisual projectors, teaching machines, tape recorders, microfilm readers, motion picture projectors, still projectors