US PATENT SUBCLASS 261 / 69.1
.~.~.~ Gas pressure controlled

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

19  DF  FLUID DISTRIBUTION {5}
38  DF  .~ Valved {8}
66  DF  .~.~ Liquid inlet {4}
69.1.~.~.~ Gas pressure controlled {1}
69.2  DF  .~.~.~.~> Wet diaphragm

DEFINITION

Classification: 261/69.1

Gas pressure controlled:

(under subclass 66) Apparatus which is regulated by pressure of the contact gas.