US PATENT SUBCLASS 976 / DIG 33
.~.~.~ Two-region reactors [G21C-1/28]


Current as of: June, 1999
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976 /   HD   NUCLEAR TECHNOLOGY

DIG 5  DD  NUCLEAR REACTORS [G21C-1/00] *** (fusion reactors H05H-1/00; nuclear explosives DIG. 423; analogue computers therefor G06G-7/54) {4}
DIG 16  DD  .~ Thermal reactors; Epithermal reactors [G21C-1/04] {2}
DIG 31  DD  .~.~ Homogeneous reactors (i.e., in which the fuel and moderator present an effectively homogeneous medium to the neutrons) [G21C-1/24] {2}
DIG 33.~.~.~ Two-region reactors [G21C-1/28]