DIFF Subgroup
G01R 33/045 Full Title
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
G01R 33/045 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