| 429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| 101 | ![]() | FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE {2} |
| 102 | DF | .~> Active material in molten state {2} |
| 105 | DF | .~> Active material in solution {4} |