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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.
fire detection and alarm systems, namely, fire alarms, detectors for early fire detection in the nature of smoke detectors, fire extinguishers, fire sensors, gas detectors, gas concentration sensors, smoke alarms; preventative and suppressive fire prevention and fire extinguishing systems, namely, inerting or inert-gas protection and shielding systems for preventing and extinguishing fires comprised of smoke, fire and gas detectors for early fire detection, gas concentration sensors, and metal or non-metal inert gas reservoirs and parts therefor sold as a unit therewith, namely, plastic and metal pipes; programmable electronic controllers for fire alarms, fire detectors, gas detectors, smoke detectors, and fire and gas sensors; software for use in dimensioning and designing the proper layout of fire and gas detection alarm systems