DIFF Subgroup
G01R 33/04 using the flux-gate principle
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Arrangements or instruments for measuring magnetic variables > Measuring direction or magnitude of magnetic fields or magnetic flux > using the flux-gate principle
CPC:
Arrangements or instruments for measuring magnetic variables > Measuring direction or magnitude of magnetic fields or magnetic flux (G01R33/20 takes precedence) > using the flux-gate principle
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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