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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.
optical pinhole lens to improve vision; optical pinhole lens to improve impaired vision; optical pinhole lens to improve depth of field of vision; optical pinhole collimator for improving vision; optical pinhole lens sights; optical pinhole lens for archery sight; pinhole collimator for photography; optical pinhole lens for reading; optical pinhole lens for reading printed material; optical pinhole lens for reading electronic books (e-books); optical pinhole lens for playing sports; optical pinhole lens for playing golf; optical pinhole lens for watching television; pinhole collimator for attachment to eyeglasses; pinhole collimator for attachment to safety glasses; eyeglasses-mounted optical pinhole sight for aiming firearms and archery bows; optical pinhole lens archery sight; optical pinhole lens gun sight; optical pinhole lens for improving vision by increasing depth of field for visual observation in the fields of archery, firearm target shooting, hunting, fishing, golf, billiards, pool, photography, reading, reading fine print, needlework, sewing, bore inspection of firearm barrels, bore inspection of pipe and for sight alignment and vision enhancement; eyeglasses-mounted optical pinhole sight for improving vision by increasing depth of field for visual observation in the fields of archery, firearm target shooting, hunting, fishing, golf, billiards, pool, photography, reading, reading fine print, needlework, sewing, bore inspection of firearm barrels, bore inspection of pipe and for sight alignment and vision enhancement