9 Computers; computer programs; screens (computers); video telephones; compact disc players; integrated circuit chips; encoders (data processing), coded identity cards, value-added cards; compact discs (CD-ROMs); compact discs (audio-video); floppy discs; theft prevention installations, electric; printers; scientific, nautical, surveying, photographic, cinematographic, optical, measuring, signalling, checking (supervision) and teaching apparatus and instruments, included in this class; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; accumulator batteries; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; recorded films, recorded video tapes; eyeglasses, eyeglass cases; spectacle lenses; densimeters; distillation apparatus for scientific purposes; stills for laboratory experiments; detectors; transparencies [photography]; densimeters; diffraction apparatus; dosimeters; ergometers; ovens for experiments; binoculars, telescopes; fire extinguishers; breathing masks; filters for respiratory masks; ear plugs; gloves for protection against accidents; magnifying glasses; microscopes; acid hydrometers; pedometer; solar batteries; solar collectors; heat regulating apparatus; water level indicators; mechanisms for coin-operated apparatus; cash registers, calculating machines, downloadable data files; fire-extinguishing apparatus