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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.
humidistats; thermostats; thermometers; sensors for temperature, humidity, pressure, fire, and smoke; indicators for temperature, humidity, pressure, fire, and smoke; fire detection systems, comprising variously, ionization detectors, air duct and filter duct ionization detectors, detector releasing units, thermal detectors, fire indicating units, control panels, annunciators, bells, alarms, fire-door holders, ceiling fixtures for detectors, alarm lamps, emergency power supplies, manual fire stations, and enclosures; air gauges, panels, and console-mounted indicators and sensors, for heating, ventilating, air conditioning, and process control; meters; control panels, and control systems, for heating, ventilating, and air conditioning systems; electric controllers for humidity, and temperature; decade resistance boxes; fluidic controls; fluidic systems; water temperature controls; pressure gauges; pressure selectors; position indicator switches and networks; electric networks for time proportioning; time proportioning switches; pressure transmitters and indicators; oil pressure indicators; and parts and components for all of the foregoing