| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
|
| 129 | DF | CHEMICAL REACTOR {28} |
| 186 | DF | .~ With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction {3} |
| 186.04 | DF | .~.~ Electrostatic field or electrical discharge {4} |
| 186.21 |  | .~.~.~ Arc or spark discharge means {4} |
| 186.22 | DF | .~.~.~.~> With electrode or reaction space heating or cooling means |
| 186.23 | DF | .~.~.~.~> With preparatory or product-treating means {2} |
| 186.26 | DF | .~.~.~.~> With electrode moving means {1} |
| 186.28 | DF | .~.~.~.~> With current control means |