US PATENT SUBCLASS 313 / 565
.~ Mercury vapor material

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

564  DF  HAVING VAPOR GENERATING MATERIAL {2}
565.~ Mercury vapor material

DEFINITION

Classification: 313/565

Mercury vapor material:

(under subclass 564) Subject matter wherein the substance to be vaporized is mercury.