US PATENT SUBCLASS 313 / 419
.~.~ Plural

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

364  DF  CATHODE RAY TUBE {11}
418  DF  .~ Signal translating output electrode {1}
419.~.~ Plural

DEFINITION

Classification: 313/419

(under subclass 418) Subject matter including more than one output electrode.