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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.
media retrieval system consisting of a media control pc (personal computer), scheduling and lesson plan software, classroom panel and remote control which permits access and control from remote locations to centrally located media devices; namely, vcr (video cassette recorder) players, cd (compact disc) players, cassette players, slide projectors, laser disc players, still video players/recorders, cd-rom (compact disc-read only memory) drives, video cameras, broadcast and cable channels, satellite transmission and film projectors