US PATENT SUBCLASS 159 / 4.04
.~.~ Countercurrent

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

3  DF  SPRAY TYPE {1}
4.01  DF  .~ Gaseous current {12}
4.04.~.~ Countercurrent

DEFINITION

Classification: 159/4.04

Countercurrent:

(under subclass 4.01) Apparatus for providing a gas flow counter to that of the spray.