Amplifying tubes, vacuum tubes (radio), electric actuators; scientific, nautical, surveying, electric measuring, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; coin-operated mechanisms; cash registers, calculating machines, data processing equipment and computer; fire extinguishing apparatus
Electrical and Scientific Apparatus