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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.
computers and computing apparatus, data processors and data processing apparatus, data converters and data conversion apparatus, data transmission apparatus, and parts of all the foregoing; recorded tapes and disks-- antenna couplers; magnetic detectors and parts of all the foregoing; electronic amplifiers; antennas; a-c to d-c and d-c to a-c converters; electronic couplers; signal generators; micro-miniature electronic circuits; phase shifters; power supplies; electronic modules consisting of interconnected electronic units for use in electronic systems, apparatus and devices; radio transmitters and transponders; microwave directional couplers; electric transmission lines; inertial navigational or guidance apparatus for sensing components vehicle acceleration; accelerometers; rate sensors; gyroscopes and gyroscopic apparatus; navigational apparatus, navigational instruments, navigational systems, flight control apparatus, flight control instruments, flight control systems, stabilization apparatus, stabilization instruments, stabilization systems, all for use in air or space craft; altimeters; pressure reference apparatus for simulating flight conditions during aircraft maintenance and testing operations; engine control and/or indicating apparatus for marine and aircraft; steering apparatus for marine craft; compasses and heading-indication apparatus employing compasses; radars and radar apparatus; frequency analyzers; navigational systems for marine craft and apparatus therefor-namely-- navigation systems employing gyroscopic apparatusand/or accelerometers, collision warningand/or navigation assessment apparatus, receivers for use in omega navigation systems; navigational consoles for air andmarine craft; speed and/or direction control apparatus, instruments and mechanisms for land, marine, air and space craft; stabilizers and stabilization apparatus for marine craft; sonar systems comprising sound wave transmitters and receivers; electrical apparatus for testing thethe operability and characteristics of electronic circuits and devices; electrical, magnetic, mechanical and pneumatic apparatus for testing the operability andcharacteristics of aeronautical instruments and structural components; magnetic field sensitive flux valves and compensators for determining direction and strength of magnetic fields; lasers and laserapparatus; loran navigation instruments and apparatus; magnetic detection systems, analyzers, and sensors; servo-mechanisms; and parts for all the above-mentiongoods