US PATENT SUBCLASS 99 / 475
.~.~.~ By plural means

Current as of: June, 1999
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99 /   HD   FOODS AND BEVERAGES: APPARATUS

467  DF  SUBJECTING FOOD TO AN ENCLOSED MODIFIED ATMOSPHERE {7}
473  DF  .~ Including means to influence movement of gas within enclosure {4}
474  DF  .~.~ By forcing gas to circulate {2}
475.~.~.~ By plural means

DEFINITION

Classification: 99/475

(under subclass 474) Device including two or more forced gas circulation means.