US PATENT SUBCLASS 261 / 21
.~.~ Series


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

19  DF  FLUID DISTRIBUTION {5}
20  DF  .~ Systems {2}
21.~.~ Series {1}
22  DF  .~.~.~> Gas connections


DEFINITION

Classification: 261/21

With connections permitting gases and liquids to pass successively from one contact apparatus to another.