US PATENT SUBCLASS 313 / 460
.~.~.~ Plural


Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

364  DF  CATHODE RAY TUBE {11}
441  DF  .~ Ray generating or control {6}
458  DF  .~.~ Electrode {2}
460.~.~.~ Plural


DEFINITION

Classification: 313/460

(under subclass 458) Subject matter including more than one electrode.