US PATENT SUBCLASS 373 / 47
.~ Power supply system

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

42  DF  ELECTROSLAG REMELTING DEVICE {7}
47.~ Power supply system {2}
48  DF  .~.~> Conductor arrangement
49  DF  .~.~> Control {1}

DEFINITION

Classification: 373/47

Power supply system:

(under subclass 42) Subject matter including means to supply electrical power to the furnace.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12, for electron beam vaporizing furnaces with power supply and control circuitry.

102, for arc furnace power supply systems.

147, for induction furnace power supply systems.