Scientific, nautical, surveying, electric and electronic, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments apparatus for recording and reproduction of sound, images and data of all kind; sound, image and data carriers of all kind, in particular recording tapes, cassettes, compact discs, recording discs, DAT tapes, video tapes, diskettes, CD-ROMs, CD-I's, recording media DVD; all the above-mention...