73516651
Jan 8, 1985
Sep 16, 1986
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
Electrical and Scientific ApparatusMEDICAL OPTICAL EQUIPMENT, NAMELY, OPTICAL FILTERS AND COATINGS FOR OPTICAL AND ELECTRO-OPTICAL INSTRUMENTS OF ANALYSIS, OPTICAL DIFFRACTION GRATINGS, LENSES, MIRRORS, GAS ANALYZERS, PRISMS, LAMPS, MONOCHROMATORS, SPECTROMETERS, SPECTROSCOPES, AND SPECTROGRAPHS
Medical Apparatus