| 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} |
| 603.01 | ![]() | .~.~.~ Magnetic recording reproducing transducer (e.g., tape head, core, etc.) {4} |
| 603.02 | DF | .~.~.~.~> Including dissassembly step |
| 603.03 | DF | .~.~.~.~> Making disc drive |
| 603.04 | DF | .~.~.~.~> Mounting preformed head/core onto other structure {2} |
| 603.07 | DF | .~.~.~.~> Fabricating head structure or component thereof {7} |