US PATENT SUBCLASS 34 / 474
.~.~.~ Gas or vapor humidity regulation

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
443  DF  .~ Gas or vapor contact with treated material {17}
467  DF  .~.~ Treatment of gas or vapor {6}
474.~.~.~ Gas or vapor humidity regulation {1}
475  DF  .~.~.~.~> And gas or vapor temperature regulation

DEFINITION

Classification: 34/474

Gas or vapor humidity regulation:

(under subclass 467) Process wherein the percentage of moisture within the treating gas is controlled.