US PATENT SUBCLASS 432 / 133
.~.~.~ Having combustion products generated in or fed to work chamber

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
121  DF  .~ Having means by which work is progressed or moved mechanically {9}
128  DF  .~.~ Plural distinct chambers {2}
133.~.~.~ Having combustion products generated in or fed to work chamber

DEFINITION

Classification: 432/133

(under subclass 128) Apparatus including structure supplying combustion products to the work path or supplying fuel for combustion therein.