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PCE
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DIFF Subgroup
G21G 4/10

with radium emanation

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Radioactive sources > Radioactive sources other than neutron sources > with radium emanation

CPC:

Radioactive sources (producing neutrons or other subatomic particles, X- or gamma rays, in fusion reactors G21B, in nuclear reactors G21C, by cosmic radiation G21H7/00, in accelerators H05H; X-ray tubes H01J35/00; gamma masers H01S4/00) > Radioactive sources other than neutron sources (radioactive dressings A61N5/1029) > with radium emanation

No child classifications to compare. This is a leaf node in both IPC and CPC.