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PCE
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DIFF Subgroup
G01R 21/01

in circuits having distributed constants (G01R21/04, G01R21/07, G01R21/09, G01R21/12 take precedence)

Introduced: July 1974

Title

Titles differ between systems:

IPC: in circuits having distributed constants

CPC: in circuits having distributed constants (G01R21/04, G01R21/07, G01R21/09, G01R21/12 take precedence)

Full Title

Full titles differ between systems:

IPC:

Arrangements for measuring electric power or power factor > in circuits having distributed constants

CPC:

Arrangements for measuring electric power or power factor (G01R7/12 takes precedence) > in circuits having distributed constants (G01R21/04, G01R21/07, G01R21/09, G01R21/12 take precedence)

No child classifications to compare. This is a leaf node in both IPC and CPC.