US PATENT SUBCLASS 373 / 16
.~ With plural beam devices

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

10  DF  ELECTRON BEAM FURNACE DEVICE {4}
16.~ With plural beam devices

DEFINITION

Classification: 373/16

With plural beam devices:

(under subclass 10) Subject matter wherein the furnace has more than one electron beam gun.