204 / | HD | CHEMISTRY: ELECTRICAL AND WAVE ENERGY |
193 | DF | APPARATUS {5} |
194 | DF | .~ Electrolytic {11} |
228.1 | DF | .~.~ With current, voltage, or power control means responsive to sensed condition {8} |
228.6 | .~.~.~ Electrolyte property sensing means (e.g., temperature, concentration, pH, conductivity, etc.) |