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} |
186.07 | DF | .~.~.~ Ozonizers {7} |
186.15 | .~.~.~.~ With current control or special electrical supply means {1} | |
186.16 | DF | .~.~.~.~.~> With pulse generating means |