US PATENT SUBCLASS 261 / 20
.~ Systems

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

19  DF  FLUID DISTRIBUTION {5}
20.~ Systems {2}
21  DF  .~.~> Series {1}
23.1  DF  .~.~> Parallel {1}

DEFINITION

Classification: 261/20

A plurality of gas and liquid contact apparatuses connected for conjoint operation.