| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
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| 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} |
| 186.07 |  | .~.~.~ Ozonizers {7} |
| 186.08 | DF | .~.~.~.~> With preparatory or product-treating means {3} |
| 186.12 | DF | .~.~.~.~> With subsequent use means |
| 186.13 | DF | .~.~.~.~> With electrode moving means |
| 186.14 | DF | .~.~.~.~> With fluent reactant flow control means |
| 186.15 | DF | .~.~.~.~> With current control or special electrical supply means {1} |
| 186.18 | DF | .~.~.~.~> Cylindrical electrode {1} |
| 186.2 | DF | .~.~.~.~> With heating or cooling means |