US PATENT SUBCLASS 976 / DIG 220
.~.~ Solid moderators testing (e.g., graphite) [G21C-17/02F]

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

DIG 207  DD  MONITORING; TESTING; MAINTAINING [G21C-17/00] {9}
DIG 215  DD  .~ Devices or arrangements for monitoring coolant or moderator [G21C-17/02] {7}
DIG 220.~.~ Solid moderators testing (e.g., graphite) [G21C-17/02F]