DIFF Subgroup
G21C 17/022 for monitoring liquid coolants or moderators
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Monitoring; Testing > Devices or arrangements for monitoring coolant or moderator > for monitoring liquid coolants or moderators
CPC:
Monitoring; Testing (measuring in general G01); > Devices or arrangements for monitoring coolant or moderator > for monitoring liquid coolants or moderators
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1990.
Child Classifications
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