9 electric, photographic, cinematographic, optical measuring, signalling, checking live-saving and teaching apparatus and instruments, namely, interfaces, comparators, couplers, luminous or mechanical signalling panels, luminous signs, inductors; apparatus for recording transmission and reproduction of sound or image, namely monitors; computers; magnetic encoders; magnetic data carriers, namely magnetic taps, coded identify cards, coded service cards, recorded computer software; automatic equipment, namely programmable logic controls, elevator systems, engine controls