| 429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| 101 | DF | FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE {2} |
| 102 | ![]() | .~ Active material in molten state {2} |
| 103 | DF | .~.~> With fused electrolyte, i.e., molten |
| 104 | DF | .~.~> With solid-state electrolyte |