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PCE
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DIFF Subgroup
G21C 3/06

Casings; Jackets

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Reactor fuel elements or their assemblies; Selection of substances for use as reactor fuel elements > Fuel elements > Constructional details > Casings; Jackets

CPC:

Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements > Fuel elements > Constructional details > Casings; Jackets

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G21C 3/07 characterised by their material, e.g. alloys since 1990 IPC+CPC Available in IPC and CPC
  • G21C 3/08 provided with external means to promote heat-transfer, e.g. fins, baffles IPC+CPC Available in IPC and CPC
  • G21C 3/12 Means forming part of the element for locating it within the reactor core IPC+CPC Available in IPC and CPC
  • G21C 3/14 Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements IPC+CPC Available in IPC and CPC