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.
single crystals-namely, harmonic generator crystals, x-ray analyzing crystals, piezoelectric crystals, optical crystals, infra-red crystals, ferroelectric crystals, pyroelectric crystals, and electro-optic crystals; lasers; optical parametric oscillators; electro-optic light modulators, q-switches, mode lockers, phase and frequency shifters, laser triggered spark gaps, and single pulse selection systems; harmonic generator systems; polarizers; wave plates and rotators; filters; prisms; prism mounts; and electronic drivers for modulators, q-switches, deflectors and mode lockers