DIFF Subgroup
G01R 17/20 AC or DC potentiometric measuring arrangements
Introduced: September 1968
Full Title
Measuring arrangements involving comparison with a reference value, e.g. bridge > AC or DC potentiometric measuring arrangements
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- G01R 17/22 with indication of measured value by calibrated null indicator IPC+CPC Available in IPC and CPC