US PATENT SUBCLASS 432 / 172
.~.~.~ Fed with combustion products from a common generator

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
159  DF  .~ Combustion products heat work by contact {19}
163  DF  .~.~ Plural structurally related work chambers {3}
172.~.~.~ Fed with combustion products from a common generator

DEFINITION

Classification: 432/172

(under subclass 163) Apparatus in which the two chambers are fed with combustion products from a common combustion product generator.