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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.
electrical and electronic devices, namely, piezoelectric actuators for uses not intended to produce sound audible to the human ear and for uses limited to valves, pumps, compressors, positioners, switchers, vibrating elements, agitation and mixing, separation and filtration, humidifiers, misters and atomizers, sonic and ultrasonic transducers, ultrasonic cleaning, ultrasonic welding and cutting, noise cancellation, jitter suppression, panel stiffening, air flow control, electro-optical scanning, tone generators, sonar, piezoelectric motors and smart structures and systems, and electrical and electronic devices, namely, piezoelectric sensors for uses not intended to produce sound audible to the human ear