83 / | HD | CUTTING |
469 | DF | ROTATABLE DISC TOOL PAIR OR TOOL AND CARRIER {11} |
495 | DF | .~ Tool pair comprises rotatable tools {6} |
496 | .~.~ Tool pair elements angularly related {1} | |
497 | DF | .~.~.~> Elements of tool pair angularly adjustable relative to each other |