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DIFF Subgroup
G01R 25/04

involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference

Introduced: September 1968

Full Title

Arrangements for measuring phase angle between a voltage and a current or between voltages or currents > involving adjustment of a phase shifter to produce a predetermined phase difference, e.g. zero difference

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