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PCE
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DIFF Subgroup
G21C 7/12

Means for moving control elements to desired position (dropping rods in an emergency G21C9/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Means for moving control elements to desired position

CPC: Means for moving control elements to desired position (dropping rods in an emergency G21C9/02)

Full Title

Full titles differ between systems:

IPC:

Control of nuclear reaction > by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section > by displacement of solid control elements, e.g. control rods > Means for moving control elements to desired position

CPC:

Control of nuclear reaction > by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section > by displacement of solid control elements, e.g. control rods > Means for moving control elements to desired position (dropping rods in an emergency G21C9/02)

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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  • G21C 7/14 Mechanical drive arrangements IPC+CPC Available in IPC and CPC
  • G21C 7/16 Hydraulic or pneumatic drive IPC+CPC Available in IPC and CPC