IPC Subgroup
G01R 33/34 Constructional details, e.g. resonators
Introduced: January 1990
Last revised: January 2006
Full Title
Arrangements or instruments for measuring magnetic variables > involving magnetic resonance > Details of apparatus provided for in groups > Excitation or detection systems, e.g. using radiofrequency signals > Constructional details, e.g. resonators
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
3 direct subcodes
Child Classifications
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- G01R 33/341 comprising surface coils
- G01R 33/343 of slotted-tube or loop-gap type
- G01R 33/345 of waveguide type