| 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} |
| 81 | ![]() | .~.~ To cut lock key {2} |
| 82 | DF | .~.~.~> Using templet other than a key |
| 83 | DF | .~.~.~> Complete cycle |