| 96 / | HD | GAS SEPARATION: APPARATUS |
| 15 | DF | ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17} |
| 98 | DF | .~ Collecting electrode details (e.g., sheet type, running length web, etc.) {2} |
| 100 | ![]() | .~.~ Multiple similar elements or sections (e.g., built up, etc.) |