| 29 / | HD | METAL WORKING |
| 592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
| 592.1 | DF | .~ Electrical device making {14} |
| 602.1 | DF | .~.~ Electromagnet, transformer or inductor {6} |
| 607 | ![]() | .~.~.~ Including permanent magnet or core {2} |
| 608 | DF | .~.~.~.~> From comminuted material |
| 609 | DF | .~.~.~.~> Laminated |