9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching 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 apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
ultrasonic cleaning apparatus and components thereof, namely, transducers, cleaning tanks, washing tanks, and scrubbing tanks, and electrical supply units and ultrasonic probes, ultrasonic transducers, ultrasonic supply units, and frequency generators