US PATENT SUBCLASS 261 / 149
.~.~.~ Heat exchanger in flow path spaced from contact zones

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

127  DF  WITH EXTERNAL SUPPLY OR REMOVAL OF HEAT {14}
146  DF  .~ Plural distinct contact zones {1}
147  DF  .~.~ Serially arranged in flow path {2}
149.~.~.~ Heat exchanger in flow path spaced from contact zones

DEFINITION

Classification: 261/149

(under subclass 147) Apparatus wherein there is a heat exchanger in the flow path spaced from the contact devices.