US PATENT SUBCLASS 373 / 150
.~.~ Electrical

Current as of: June, 1999
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373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

138  DF  INDUCTION FURNACE DEVICE {10}
149  DF  .~ For furnace regulating {1}
150.~.~ Electrical

DEFINITION

Classification: 373/150

Electrical:

(under subclass 149) Subject matter wherein the control means is electrically actuated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for induction furnace power supply regulation.