US PATENT SUBCLASS 976 / DIG 198
.~ Structural association of coolant tubes with headers [G21C-15/22]


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976 /   HD   NUCLEAR TECHNOLOGY

DIG 187  DD  COOLING ARRANGEMENTS WITHIN THE PRESSURE VESSEL CONTAINING THE CORE; SELECTION OF SPECIFIC COOLANTS [G21C-15/00] {7}
DIG 198.~ Structural association of coolant tubes with headers [G21C-15/22]