226 / | HD | ADVANCING MATERIAL OF INDETERMINATE LENGTH |
10 | DF | WITH MATERIAL-RESPONSIVE CONTROL MEANS {7} |
24 | DF | .~ To regulate longitudinal movement of material {10} |
27 | DF | .~.~ Registration {3} |
28 | .~.~.~ Of continuously moving material {1} | |
29 | DF | .~.~.~.~> By means to vary speed of material momentarily {1} |