DIFF Main Group
G21D 7/00 Arrangements for direct production of electric energy from fusion or fission reactions (obtaining electric energy from radioactive sources G21H1/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Arrangements for direct production of electric energy from fusion or fission reactions
CPC: Arrangements for direct production of electric energy from fusion or fission reactions (obtaining electric energy from radioactive sources G21H1/00)
Full Title
Full titles differ between systems:
IPC:
Arrangements for direct production of electric energy from fusion or fission reactions
CPC:
Arrangements for direct production of electric energy from fusion or fission reactions (obtaining electric energy from radioactive sources G21H1/00)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- G21D 7/04 using thermoelectric elements (structural combination of fuel element with thermoelectric element G21C3/40 ; thermoelectric elements per se H10N10/00, H10N15/00) IPC+CPC Available in IPC and CPC