Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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33/00
Arrangements or instruments for measuring magnetic variables
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G01R33/20
involving magnetic resonance
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G01R33/44
using nuclear magnetic resonance [NMR]
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G01R33/58
Calibration of imaging systems, e.g. using test probes; , Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
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