| 29 / | HD | METAL WORKING |
| 592 | DF | METHOD OF MECHANICAL MANUFACTURE {54} |
| 592.1 | DF | .~ Electrical device making {14} |
| 825 | DF | .~.~ Conductor or circuit manufacturing {8} |
| 829 | DF | .~.~.~ On flat or curved insulated base, e.g., printed circuit, etc. {5} |
| 832 | DF | .~.~.~.~ Assembling to base an electrical component, e.g., capacitor, etc. {5} |
| 834 | DF | .~.~.~.~.~ With component orienting {2} |
| 836 | | .~.~.~.~.~.~ Different components |