73215922
May 17, 1979
Aug 17, 1982
Spectrochemical Instruments-Namely, Spectrometers, Spectrographs, Analyzers, Monitors, Electrical Spark Sources, and Circuitry, and Readouts Therefor; Optical Instruments-Namely, Filters, Imagers, Night Vision Scopes, and Electronic Circuitry Associated Therewith; Atomic Instruments-Namely, Detectors, Radiation Cameras, and Electronic Circuitry and Readouts Therefor
Electrical and Scientific Apparatus