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PCE
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DIFF Subgroup
G21C 5/18

characterised by the provision of more than one active zone

Introduced: September 1968

Full Title

Moderator or core structure; Selection of materials for use as moderator > characterised by the provision of more than one active zone

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • G21C 5/20 wherein one zone contains fissile material and another zone contains breeder material IPC+CPC Available in IPC and CPC
  • G21C 5/22 wherein one zone is a superheating zone IPC+CPC Available in IPC and CPC