72430783
Jul 24, 1972
Nov 13, 1973
ANTI-HOT SPOT OPTICALLY COATED LIGHT TRANSMITTING INSTRUMENT PANELS AND CONSOLE PANELS WHEN BACK-LIT AND ANTI-HOT SPOT LIGHT DIFFUSING SHEETS FOR USE IN FRONT OF SOURCES OF ILLUMINATION IN LIGHT TRANSMITTING INSTRUMENTS AND CONSOLES WHEN BACK-LIT
Fancy Goods