NEOPHAN
EYEGLASSES OF NEODYMIUM CONTAINING GLASS, GLASS BELLS FOR ILLUMINATING EQUIPMENT AND GLASS LIGHT FILTERS OF NEODYMIUM CONTAINING GLASS, GEODETIC, NAUTICAL, WEIGHING, SIGNAL AND CONTROL APPARATUS MADE WITH THE AID OF NEODYMIUM CONTAINING GLASS, CAMERAS AND PHOTOGRAPHIC EQUIPMENT MADE WITH THE USE OF NEODYMIUM CONTAINING GLASS, LIGHT BULBS, LIGHTING TUBES AND LAMP GLASS MADE OF NEODYMIUM CONTAINING GLASS
Expired · April 21, 1961 · 72118319 ·