US PATENT SUBCLASS 427 / 238
.~ Vacuum or pressure utilized

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

230  DF  INTERIOR OF HOLLOW ARTICLE COATING {6}
238.~ Vacuum or pressure utilized

DEFINITION

Classification: 427/238

(under subclass 230) Processes which include use of pressure above or below atmospheric.