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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.
battery management systems consisting of batteries, firmware, and hardware in protective cases that house and electrically connect to electronic devices, namely, mobile phones, handheld computers, digital cameras, and multimedia players, wherein the battery management systems manage, monitor, and extend battery lives of the electronic devices housed in the protective cases