| 318 / | HD | ELECTRICITY: MOTIVE POWER SYSTEMS |
| 560 | DF | POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23} |
| 567 | DF | .~ Program- or pattern-controlled systems {3} |
| 568.1 | DF | .~.~ With program recording or composing means {1} |
| 568.11 | DF | .~.~.~ Multifunction manipulator (i.e., Robot) {9} |
| 568.15 | ![]() | .~.~.~.~ With particular interpolation means |