9 Scientific, nautical, surveying, photographic, cinematographic,optical, weighing, measuring, signalling, checking (supervision), lifesaving and teach apparatus and instruments; apparatus and instruments for conducting switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparauts; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus