SPECTROGON
INDUSTRIAL AND MILITARY OPTICAL EQUIPMENT, NAMELY OPTICAL FILTERS AND COATINGS FOR OPTICAL AND ELECTRO-OPTICAL APPLICATIONS, OPTICAL DIFFRACTION GRATINGS, LENSES, MIRRORS, GAS ANALYZERS, RANGE FINDERS, PRISMS, LAMPS, MONOCHROMATORS, SPECTROMETERS, SPECTROSCOPES, AND SPECTROGRAPHS
Cancelled · January 8, 1985 · 73516651 ·