400 / | HD | TYPEWRITING MACHINES |
521 | DF | FOR TYPING ON CARD IN CARD HOLDER {11} |
525 | .~ Card holder carrier by platen {5} | |
526 | DF | .~.~> And actuated in response to platen rotation |
527 | DF | .~.~> With platen surface modified for card {2} |
528 | DF | .~.~> Holder attached via detachable arms at ends of platen |
529 | DF | .~.~> Holder attached via pins on holder or via adhesive attachment |
530 | DF | .~.~> Holder attached via element (e.g., band) gripping platen periphery |