242 / | HD | WINDING, TENSIONING, OR GUIDING |
410 | DF | TENSION CONTROL OR BRAKE {3} |
412 | DF | .~ Take-up coil drive control {4} |
412.1 | DF | .~.~ With supply control {1} |
412.2 | .~.~.~ Plural condition sensors (e.g., slack loop sensors) {1} | |
412.3 | DF | .~.~.~.~> Diverse (e.g., slack loop and diameter sensors) |