US PATENT SUBCLASS 429 / 31
.~.~ Tubular

Current as of: June, 1999
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429 /   HD   CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS

12  DF  FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING {10}
30  DF  .~ Solid electrolyte {3}
31.~.~ Tubular

DEFINITION

Classification: 429/31

(under subclass 30) Apparatus wherein the electrolyte is tubular in form.