348 / | HD | TELEVISION |
739 | DF | VIDEO DISPLAY {13} |
744 | DF | .~ Projection device {7} |
776 | DF | .~.~ Cathode-ray tube image source {4} |
781 | DF | .~.~.~ With optical element {3} |
782 | DF | .~.~.~.~ Mirror arrangement {1} |
783 | .~.~.~.~.~ Concave mirror {1} | |
784 | DF | .~.~.~.~.~.~> With correcting plate |