| 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 | DF | .~.~.~ Magnetic recording reproducing transducer (e.g., tape head, core, etc.) {4} |
| 603.07 |  | .~.~.~.~ Fabricating head structure or component thereof {7} |
| 603.08 | DF | .~.~.~.~.~> Treating to affect magnetic properties |
| 603.09 | DF | .~.~.~.~.~> Including measuring or testing {4} |
| 603.16 | DF | .~.~.~.~.~> Machining magnetic material (e.g., grinding, etching, polishing) {2} |
| 603.19 | DF | .~.~.~.~.~> Multitrack heads having integral holding means |
| 603.2 | DF | .~.~.~.~.~> With bond/laminating preformed parts, at least two magnetic {2} |
| 603.23 | DF | .~.~.~.~.~> Providing winding {3} |
| 603.27 | DF | .~.~.~.~.~> Specified diverse magnetic materials |