| 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.) |