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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.
aircraft test equipment; namely, flight test instrumentation and housings therefor; spacecraft payload components and assemblies; namely, transmitters, receivers, antennae, sensors, power supplies, printed circuit boards, signal conditioners, commutators, encoders, calibrators, filters, amplifiers, magnetometers, telemetry apparatus, transducers, computers, memories, power distribution units, space tape recorder units, data acquisition and control systems comprising microprocessors, input/output units and power supplies, and housing and support structures therefor made of metal, plastics and fiberglass