US PATENT SUBCLASS 165 / 138
COMBINED


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

138COMBINED


DEFINITION

Classification: 165/138

(under the class definition) Apparatus combined with a device having a function other than heat exchanging, or serving to perfect the heat exchange apparatus.

(1) Note. See the search notes to the class definition for other classes having heat exchange means.