US PATENT SUBCLASS 291 / 20
.~ Electric

Current as of: June, 1999
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291 /   HD   TRACK SANDERS

19  DF  HEATERS {2}
20.~ Electric

DEFINITION

Classification: 291/20

Electric-resistance heaters for sand, air, sand-hoppers, and delivery-pipes.

SEE OR SEARCH CLASS

222, Dispensing,

333, for electric motor operated impelling devices for dispensers.