400 / | HD | TYPEWRITING MACHINES |
191 | DF | INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15} |
223 | DF | .~ Ribbon-feeding mechanism {13} |
227 | DF | .~.~ For narrow carbon ribbon (e.g., carbon ink, "single use", etc.) {2} |
227.2 | .~.~.~ Or for alternatively used fabric ribbon |