242 / | HD | WINDING, TENSIONING, OR GUIDING |
470 | DF | HELICAL OR RANDOM WINDING OF MATERIAL {17} |
474.3 | DF | .~ Alternately or sequentially wound spools {2} |
474.8 | DF | .~.~ Coaxial spools {1} |
474.9 | DF | .~.~.~ On separately driven spindles {1} |
475 | .~.~.~.~ Including particular material snagger |