US PATENT SUBCLASS 123 / 670
.~ Having catalytic cambustion aid

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

657  DF  COMBUSTION CHAMBER {11}
670.~ Having catalytic cambustion aid

DEFINITION

Classification: 123/670

Having catalytic combustion aid:

(under subclass 657) Subject matter in which some part of the combustion chamber contains a catalytic material which acts as an aid to combustion.