9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission, processing and reproduction of sound, images or data; magnetic data carriers; calculating machines, data processing equipment, computers; CDs, DVDs and other digital recording media; computer programs (recorded); electronically recorded data (downloadable); electronic publications (downloadable)