US PATENT SUBCLASS 976 / DIG 111
.~.~ Wherein one zone contains fissile material and another zone contains breeder material [G21C-5/20]


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

DIG 99  DD  MODERATOR OR CORE STRUCTURE; SELECTION OF MATERIALS FOR USE AS MODERATOR [G21C-5/00] {4}
DIG 110  DD  .~ Characterized by the provision of more than one active zone [G21C-5/18] {2}
DIG 111.~.~ Wherein one zone contains fissile material and another zone contains breeder material [G21C-5/20]