US PATENT SUBCLASS 252 / 647
.~.~ Laser
Current as of:
June, 1999
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252 /
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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.