9
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.
telephone instruments; telephone exchanges; telephone equipment cabinets; racks, switching units, switches [ and relays ] for telephone equipment; [ telephone consoles and switchboards; ] audio amplifiers, resonators and receivers; power supplies for telephone systems; battery chargers; computer programs in recorded form and fixed in electronic memory circuits; computer memories and cores; [ paging and intercom systems; ] electronic alarms for use with transmission devices to signal malfunctions, overloads, damage or the like; automatic telephone call answering, sequencing and routing machines; radio relay and transmission equipment; complete coaxial line telecommunications systems; printed circuit boards; frequency generators; [ multiplex audio transmission terminals for use in audio transmission systems; microphones; complete telecommunication systems for power networks, railroads, pipelines and the like, electromagnetic bells; ] electronic filters; data modems for high speed data transmissions and audio frequency equipment-namely, [ loading coils, repeaters, compandors and echo supressors, ] pre-recorded computer programs in tape, card and disc form and not including couplings for conduits for enclosing electrical wires or cables