Aerials; computers; computer software; scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conduction, distribution, conversion, storage, regulation or control of electric current; apparatus for recording, storing, processing, transmission or reproduction of sound, images and data; radio receivers and masts; modems; transmitters (telec...