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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.
emergency lighting, emergency battery backup for lighting, emergency battery backup for led lighting, renewable battery system to provide backup power, batteries, batteries for lighting, batteries, electric battery packs, battery packs for lighting, electric batteries, nickel-cadmium storage batteries, rechargeable electric batteries, renewable battery system to provide backup power, power converters and power inverters, inverters, inverters for power supply, power inverters