US PATENT SUBCLASS 976 / DIG 442
.~ With beam-forming means [G21K-5/04]


Current as of: June, 1999
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976 /   HD   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]