204 / | HD | CHEMISTRY: ELECTRICAL AND WAVE ENERGY |
193 | DF | APPARATUS {5} |
194 | DF | .~ Electrolytic {11} |
279 | DF | .~.~ Elements {3} |
280 | DF | .~.~.~ Electrodes {7} |
286 | .~.~.~.~ With electrode supporting means {2} | |
287 | DF | .~.~.~.~.~> Work container |
288 | DF | .~.~.~.~.~> Electrodes with lateral extensions |