72330304
Jun 17, 1969
Jan 19, 1971
HEAT-REFLECTING, LIGHT-TRANSMITTING PLASTIC AND PLASTIC LAMINATE SHEET MATERIALS FOR APPLICATION TO WINDOWS, SKYLIGHTS, TRANSPARENT DOORS, ONE-WAY OBSERVATION WINDOWS, AND IN THE MANUFACTURE OF ROLLER-TYPE WINDOW SHADES, VENETIAN BLINDS, AND VERTICAL STRIP BLINDS
Rubber Goods