US PATENT SUBCLASS 252 / 647
.~.~ Laser


Current as of: June, 1999
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252 /   HD   COMPOSITIONS

625  DF  RADIOACTIVE COMPOSITIONS {4}
646  DF  .~ Luminescent {1}
647.~.~ Laser


DEFINITION

Classification: 252/647

Laser:

(under subclass 646) Subject matter used in a laser apparatus or process.