US PATENT SUBCLASS 165 / FOR 108
.~.~ Defrosting (165/17)

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

FOR 104  DF  AUTOMATIC CONTROL (165/13) {2}
FOR 105  DF  .~ Heating and cooling (165/14) {14}
FOR 108.~.~ Defrosting (165/17)

DEFINITION

Classification: 165/FOR.108

Foreign art collection responsive to the accumulation of congealed material to eliminate such material.