US PATENT SUBCLASS 165 / FOR 100
PROCESS (165/1)

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

FOR 100PROCESS (165/1) {1}
FOR 101  DF  .~> Heating and cooling (165/2) {1}

DEFINITION

Classification: 165/FOR.100

Foreign art collections under the class definition.