Scientific, nautical, surveying, photographic, film, optical, weighing, measuring, signalling, monitoring, rescue and teaching apparatus and instruments; apparatus and instruments for conducting, switching, converting, accumulating, regulating and controlling of electricity; batteries; charging devices for batteries, transformers (power pack units), cables in particular loudspeaker cables, television cables (Sat cables), Scart cables, antenna cables, Chinch cables, computer cables, power cabl...