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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.
electrical devices for measuring temperature in the nature of thermocouples, resistance temperature detectors, and electrical components and accessories for use therewith, namely, thermocouple thermowells, temperature transmitters, temperature indicators, temperature controllers, thermocouple connection heads, thermocouple wire, plugs, jacks, jack panels, multi-outlet terminal blocks and strips, selector switches, ceramic insulators in the nature of insulated electrical connectors, junction boxes, and thermocouple mounting flanges