US PATENT SUBCLASS 432 / 82
.~ Entering and leaving work exchange heat


Current as of: June, 1999
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432 /   HD   HEATING

77  DF  WITH WORK COOLING STRUCTURE {5}
82.~ Entering and leaving work exchange heat


DEFINITION

Classification: 432/82

(under subclass 77) Apparatus including means by which heat removed from the work during cool-down is transferred to work being supplied.