| 409 / | HD | GEAR CUTTING, MILLING, OR PLANING |
| 64 | DF | MILLING {29} |
| 79 | DF | .~ With regulation of operation by templet, card, or other replaceable information supply {7} |
| 85 | DF | .~.~ Reproducing means {6} |
| 93 | DF | .~.~.~ Duplicating means {5} |
| 111 | ![]() | .~.~.~.~ With provision for circumferential relative movement of cutter and work |