96 / | HD | GAS SEPARATION: APPARATUS |
15 | DF | ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17} |
83 | DF | .~ Electrode retaining or supporting means {6} |
84 | DF | .~.~ Plural electrode unit assembly type (e.g., unitized, etc.) {2} |
86 | .~.~.~ Parallel disk or plate collector unit |