400 / | HD | TYPEWRITING MACHINES |
191 | DF | INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15} |
204 | DF | .~ For typing plural copies simultaneously with ribbon(s) (e.g., duplicate typing) {2} |
206 | DF | .~.~ Using plural ribbons (e.g., additional ribbon(s) {4} |
206.2 | .~.~.~ And ribbon holder movable to inoperative position on typewriter |