US PATENT SUBCLASS 34 / 481
.~.~ Material thickness controlled

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}
481.~.~ Material thickness controlled

DEFINITION

Classification: 34/481

Material thickness controlled:

(under subclass 443) Process wherein the dimensions of a layer of treated material are regulated.