DIFF Subgroup
G01R 33/30 Sample handling arrangements, e.g. sample cells, spinning mechanisms
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Arrangements or instruments for measuring magnetic variables > involving magnetic resonance > Details of apparatus provided for in groups > Sample handling arrangements, e.g. sample cells, spinning mechanisms
CPC:
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 > Sample handling arrangements, e.g. sample cells, spinning mechanisms
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 1995.
Child Classifications
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