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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.
downloadable publications in the nature of textbooks, teaching guides, and course curriculum for a variety of educational disciplines for pre-school through collegiate levels in the fields of history, humanities, mathematics, theology, science, fine arts, penmanship, bible, english, reading, spelling, vocabulary, grammar, literature, geography, latin, speech, logic, and spanish