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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.
system for monitoring positions of storage tank hatches, namely, wireless sensors, hardware and software used for wireless communication devices for data transmission, wireless communication devices for data transmission networks, hardware and software used for lan and wan wireless networks and computer software used to control wireless sensors and analyze data from such wireless sensors