US PATENT SUBCLASS 976 / DIG 84
.~ Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat; or with another arrangement for direct production of electric energy (e.g., a thermionic device) [G21C-3/40] *** (temperature measurement DIG. 236; combination with thermoelements for temperature measurements DIG. 241)

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976 /   HD   NUCLEAR TECHNOLOGY

DIG 37  DD  REACTOR FUEL ELEMENTS AND THEIR ASSEMBLIES; SELECTION OF SUBSTANCES FOR USE AS REACTOR FUEL ELEMENTS [G21C-3/00] {5}
DIG 84.~ Structural combination of fuel element with thermoelectric element for direct production of electric energy from fission heat; or with another arrangement for direct production of electric energy (e.g., a thermionic device) [G21C-3/40] *** (temperature measurement DIG. 236; combination with thermoelements for temperature measurements DIG. 241)