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.
oscillators; monolithic crystal filters, namely, filters using a crystal unit to remove a signal having a particular frequency; antennae filters; computer screen filters; optical filters; electronic circuits recording programs for amusement apparatus for use with liquid crystal screens; liquid crystal displays; liquid crystal display projectors; transducers that utilize ultrasonic oscillations to test for stress and fatigue in metal and metal structures; transducers that utilize ultrasonic oscillations to treat and reduce stress and fatigue of metal and metal structures; silicon wafers; structured semi-conductor wafers