DIFF Subgroup
G01R 29/08 Measuring electromagnetic field characteristics
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Arrangements for measuring or indicating electric quantities not covered by groups > Measuring electromagnetic field characteristics
CPC:
Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00 > Measuring electromagnetic field characteristics
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
Child Classifications
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