| 96 / | HD | GAS SEPARATION: APPARATUS |
| 15 | DF | ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17} |
| 95 | DF | .~ Ionizing electrode details (e.g., coil, mat, corona suppression, etc.) {2} |
| 97 | ![]() | .~.~ Sharpened point, serrated, or tip discharge |