96 / | HD | GAS SEPARATION: APPARATUS |
15 | DF | ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17} |
80 | .~ With details of voltage supply means or circuitry {2} | |
81 | DF | .~.~> Closure interlock or removable section |
82 | DF | .~.~> Circuit portions |