40 / | HD | CARD, PICTURE, OR SIGN EXHIBITING |
341 | DF | COPYHOLDER {2} |
352 | DF | .~ Including movable indicator (e.g., line guide) {2} |
353 | .~.~ Mechanically actuated {3} | |
354 | DF | .~.~.~> By rack and pinion or pawl |
355 | DF | .~.~.~> By clutch |
356 | DF | .~.~.~> By means including flexible elongated member |