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PCE
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DIFF Subgroup
G21C 1/08

moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor (G21C1/22 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: moderator being highly pressurised, e.g. boiling-water reactor, integral-superheat reactor, pressurised-water reactor

CPC: moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor (G21C1/22 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Reactor types > Thermal reactors > Heterogeneous reactors, i.e. in which fuel and moderator are separated > moderator being highly pressurised, e.g. boiling-water reactor, integral-superheat reactor, pressurised-water reactor

CPC:

Reactor types > Thermal reactors > Heterogeneous reactors, i.e. in which fuel and moderator are separated > moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor (G21C1/22 takes precedence)

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Child Classifications

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  • G21C 1/082 CPC only CPC only
  • G21C 1/084 CPC only CPC only
  • G21C 1/086 CPC only CPC only
  • G21C 1/088 CPC only CPC only
  • G21C 1/09 Pressure regulating arrangements, i.e. pressurisers since 1990 IPC+CPC Available in IPC and CPC