96 / | HD | GAS SEPARATION: APPARATUS |
15 | DF | ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17} |
52 | DF | .~ With means for vapor or liquid contact (e.g., for gas separation, cooling, conditioning, etc.) {1} |
53 | .~.~ Liquid spray means |