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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.
optoelectronics devices using electronic signals, such as radio signals and digital signals to control and manipulate light for information handling purposes, namely, modulators, optical modulators, fiber optic modlators, transmitters, fiber optic transmitters, communications links, filters, tunable filters, fiber optic tunable filters, switches, optical switches, fiber optic switches, switching fabrics, crossbar switches, optical crossbar switches, integrated optics, optoelectronic integrated circuits, photonic integrated circuits, multiplexers, add-drop multiplexers, amplifiers, optical amplifiers, fiber optic amplifiers, parametric optical amplifiers, spatial light modulators, optical sensors, and microwave sensors