DIFF Subgroup
G01R 33/038 using permanent magnets, e.g. balances, torsion devices
Introduced: January 1980
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 permanent magnets, e.g. balances, torsion devices
CPC:
Arrangements or instruments for measuring magnetic variables > Measuring direction or magnitude of magnetic fields or magnetic flux (G01R33/20 takes precedence) > using permanent magnets, e.g. balances, torsion devices
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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