DIFF Subgroup
G01R 33/022 Measuring gradient
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 > Measuring gradient
CPC:
Arrangements or instruments for measuring magnetic variables > Measuring direction or magnitude of magnetic fields or magnetic flux (G01R33/20 takes precedence) > Measuring gradient
No child classifications to compare. This is a leaf node in both IPC and CPC.