US PATENT SUBCLASS 65 / 353
.~ With air supply means

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

352  DF  DRAWING BAIT {1}
353.~ With air supply means {1}
354  DF  .~.~> With heating or cooling means

DEFINITION

Classification: 65/353

(under subclass 352) Apparatus including means to supply air internally of the glass being drawn.