US PATENT SUBCLASS 976 / DIG 402
.~.~ By electromagnetic irradiation (e.g., with gamma or X-rays) [G21G-1/12] *** (applications of radiation DIG. 421; irradiation devices DIG. 440+)


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976 /   HD   NUCLEAR TECHNOLOGY

DIG 396  DD  ARRANGEMENTS FOR CONVERTING CHEMICAL ELEMENTS BY ELECTROMAGNETIC RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT (e.g., producing radioactive isotopes) [G21G-1/00] {2}
DIG 398  DD  .~ Outside of nuclear reactors or particle accelerators [G21G-1/04] {3}
DIG 402.~.~ By electromagnetic irradiation (e.g., with gamma or X-rays) [G21G-1/12] *** (applications of radiation DIG. 421; irradiation devices DIG. 440+)