US PATENT SUBCLASS 165 / 42
.~ Heating and cooling

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

41  DF  WITH VEHICLE FEATURE {2}
42.~ Heating and cooling {1}
43  DF  .~.~> Vehicle contained common power and heat supply

DEFINITION

Classification: 165/42

(under subclass 41) Apparatus having means for both heating and cooling that is more than a mere carrier for heat between a source and a sink.