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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.
r.f. bandpass filters for mobile telephones, i.f. filters for mobile telephones and base stations, dual filters for mobile telephones, duplexers for mobile telephones and satellite communications, r.f. filters for cps and wireless technology devices, i.f. filters for t.v. receivers and t.v. transmission systems; resonators for remote gas, pressure, temperature and flow sensors; electronic signal processors for radar, missile guidance, i.f.f. identification, friend or foe; oscillators for mobile telephones and wireless technology devices