429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
* | DD | CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS {2} |
* | .~ Electrode {1} | |
FOR 109 | DF | .~.~> Having inorganic active material chemically specified (429/218) |