US PATENT SUBCLASS 123 / 547
.~.~ Combustible mixture and heating meduim adjoin one another

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
543  DF  .~ Heating of combustible mixture {13}
547.~.~ Combustible mixture and heating meduim adjoin one another

DEFINITION

Classification: 123/547

Combustible mixture and heating medium adjoin one another:

(under subclass 543) Subject matter wherein the passages carrying the heating medium and the mixture are integral or adjoining at some point for heat transfer.