DIFF Subgroup
G01R 17/02 Arrangements in which the value to be measured is automatically compared with a reference value
Introduced: September 1968
Full Title
Measuring arrangements involving comparison with a reference value, e.g. bridge > Arrangements in which the value to be measured is automatically compared with a reference value
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G01R 17/04 in which the reference value is continuously or periodically swept over the range of values to be measured IPC+CPC Available in IPC and CPC