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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.
pressure-tolerant modular rechargeable battery systems, comprised of air transportable battery modules assembled into versatile configurations, to power manned and unmanned subsea vehicles and equipment to unlimited ocean depth, incorporating multiple lithium-ion battery cells, a battery management system, an output power module, protection fuses, charging/discharging underwater connectors, and a control and monitoring connector as components, sold as a unit