DIFF Subgroup
G01R 33/285 Full Title
Arrangements or instruments for measuring magnetic variables > involving magnetic resonance (medical aspects A61B5/055; magnetic resonance gyrometers G01C19/60) > Details of apparatus provided for in groups G01R33/44 - G01R33/64
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.