US PATENT SUBCLASS 261 / 83
.~ Rotating

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

75  DF  CONTACT DEVICES {11}
83.~ Rotating {1}
84  DF  .~.~> Impeller {4}

DEFINITION

Classification: 261/83

Contact devices having a rotary movement. Including rotatable contact receptacles.

SEE OR SEARCH CLASS

366, Agitating,

219+, for movable mixing chambers.