Patent classifications
G
PHYSICS
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G21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
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G21H
OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
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1/00
Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes; , nuclear or atomic batteries
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G21H1/10
Cells in which radiation heats a thermoelectric junction or a thermionic converter
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G21H1/106
Cells provided with thermionic generators
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