US PATENT SUBCLASS 976 / DIG 442
.~ With beam-forming means [G21K-5/04]
Current as of:
June, 1999
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976 /
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NUCLEAR TECHNOLOGY
DIG 440
DD
IRRADIATION DEVICES [G21K-5/00] *** (discharge tubes for irradiating H01J-37/00)
{4}
DIG 442
.~ With beam-forming means [G21K-5/04]
