US PATENT SUBCLASS 34 / 546
.~.~.~.~ And blower

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
526  DF  .~.~ Of plural operations {3}
543  DF  .~.~.~ With heater {4}
546.~.~.~.~ And blower

DEFINITION

Classification: 34/546

And blower:

(under subclass 543) Apparatus wherein one of the operations being controlled is the means to propel the gas or vapor doing the treating.