US PATENT SUBCLASS 976 / DIG 318
ARRANGEMENTS TO PROVIDE HEAT FOR PURPOSES OTHER THAN CONVERSION INTO POWER (e.g., for heating buildings) [G21D-9/00]


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976 /   HD   NUCLEAR TECHNOLOGY

DIG 318ARRANGEMENTS TO PROVIDE HEAT FOR PURPOSES OTHER THAN CONVERSION INTO POWER (e.g., for heating buildings) [G21D-9/00]