SELFOC
PHYSICAL, OPTICAL AND SCIENTIFIC APPARATUS AND INSTRUMENTS-NAMELY, LIGHT TRANSMITTING ELEMENTS AND APPARATUS, OPTICAL LENSES, OPTICAL INSTRUMENTS FOR INDUSTRIAL USE, OPTICAL MEASURING APPARATUS AND INSTRUMENTS, OPTICAL COMMUNICATION ELEMENTS AND APPARATUS, OPTICAL PROCESSING APPARATUS, OPTICAL DATA PROCESSING APPARATUS, OPTO-ELECTRONICS ELEMENTS, AND LASER APPARATUS, GLASS FIBERS AND RODS WITH OR WITHOUT LIGHT FOCUSING CHARACTERISTICS
Registered · August 16, 1972 · 72432925 ·