451 / | HD | ABRADING |
463 | DF | CARRIER FOR RELATIVELY MOVABLE SIMULTANEOUSLY USABLE TOOLS {2} |
464 | DF | .~ For radially movable tools {7} |
465 | DF | .~.~ Centrifugal force urged tools {1} |
466 | .~.~.~ Flexible flail tools {2} | |
467 | DF | .~.~.~.~> With tool supply or storage |
468 | DF | .~.~.~.~> Including self-sustaining tools {1} |