73812159
Jul 12, 1989
Jun 19, 1990
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
SEMIFINISHED PLASTIC AND GLASS COMPOSITIONS CONTAINING LUMINESCENT DYES, FOR USE IN THE MANUFACTURE OF ILLUMINATED SIGNS AND DISPLAYS, AND LIGHT FIXTURES AND SENSORS
Rubber Goods