9 Equipment for digitally recording, transmitting and playing back of sound and pictures, namely, magnetic recording playback sound and pictures, laser based apparatus for recording and playback of sound and pictures and holographic apparatus for recording and playback of sound and pictures; blank magnetic recording carriers, calculators, data processor and computers; cooling equipment for computers, data processors, microprocessors and semiconductor chips, namely, cooling fans and heatsinks as well as devices for transmitting heat over distances, heat conductors, heat pipes, peltier elements, heat pumps; all the aforementioned goods by themselves, inside casings or as systems with or without casing, as well as parts of the aforementioned goods