US PATENT SUBCLASS 700 / 207
.~.~.~ Heating


Current as of: June, 1999
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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

90  DD  SPECIFIC APPLICATION, APPARATUS OR PROCESS {16}
95  DD  .~ Product assembly or manufacturing {7}
117  DD  .~.~ Particular manufactured product or operation {11}
207.~.~.~ Heating {4}
208  DD  .~.~.~.~> Drying
209  DD  .~.~.~.~> Furnace {1}
211  DD  .~.~.~.~> Oven
212  DD  .~.~.~.~> Sintering, soldering, or bonding