US PATENT SUBCLASS 373 / 86
.~.~ Mechanical

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

60  DF  ARC FURNACE DEVICE {9}
85  DF  .~ For manipulation of the charge or melt (e.g., stirring) {2}
86.~.~ Mechanical

DEFINITION

Classification: 373/86

Mechanical:

(under subclass 85) Subject matter wherein the stirring device is mechanically operated.