| 399 / | HD | ELECTROPHOTOGRAPHY |
| 130 | DF | IMAGE FORMATION {30} |
| 222 | DF | .~ Development {5} |
| 252 | DF | .~.~ Dry development {10} |
| 265 | DF | .~.~.~ Application member {5} |
| 267 | DF | .~.~.~.~ Magnetic brush {8} |
| 274 | DF | .~.~.~.~.~ Regulating (e.g., doctor) {1} |
| 275 | ![]() | .~.~.~.~.~.~ Having stationary magnet |