242 / | HD | WINDING, TENSIONING, OR GUIDING |
324 | DF | UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13} |
349 | DF | .~ With particular drive {7} |
352 | DF | .~.~ Simultaneous drive to supply and take-up coils {3} |
352.5 | .~.~.~ Multiple carrier speeds |