359 / | HD | OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS |
601 | DF | GLARE OR UNWANTED LIGHT REDUCTION {6} |
602 | DF | .~ With mirror (e.g., mirror with glare screen, etc.) {1} |
603 | DF | .~.~ Anti-glare mirror {1} |
604 | DF | .~.~.~ Adjustable {2} |
605 | .~.~.~.~ Plural reflecting surfaces {2} | |
606 | DF | .~.~.~.~.~> Prismoidal |
607 | DF | .~.~.~.~.~> Reversible |