400 / | HD | TYPEWRITING MACHINES |
139 | DF | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11} |
153 | DF | .~ Imprint by movement of record-medium against type-face {3} |
158 | DF | .~.~ Including platen for moving record-medium against type-face and mechanism for feeding record-medium {1} |
158.1 | .~.~.~ Including moving and feeding by platen |