CPC Subgroup
G01R 33/24 for measuring direction or magnitude of magnetic fields or magnetic flux
Full Title
Arrangements or instruments for measuring magnetic variables > involving magnetic resonance (medical aspects A61B5/055; magnetic resonance gyrometers G01C19/60) > for measuring direction or magnitude of magnetic fields or magnetic flux
3 direct subcodes
Child Classifications
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- G01R 33/26 using optical pumping