Shielding structurally associated with the reactor

Introduced: September 1968

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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G21C 11/02 Biological shielding (in general G21F ) +3 CPC IPC+CPC Available in IPC and CPC
G21C 11/06 Reflecting shields, i.e. for minimising loss of neutrons IPC+CPC Available in IPC and CPC
G21C 11/08 Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield +4 CPC IPC+CPC Available in IPC and CPC