9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking and supervision, life-saving and teaching apparatus and instruments, namely, surveying, cinematographic, weighing, optical apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; contact lenses; optical lenses