DIFF Subgroup
G21H 1/10 Cells in which radiation heats a thermoelectric junction or a thermionic converter
Introduced: September 1968
Full Title
Arrangements for obtaining electrical energy from radioactive sources, e.g. from radioactive isotopes > Cells in which radiation heats a thermoelectric junction or a thermionic converter
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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