DIFF Subgroup
C25B 15/02 Process control or regulation
Introduced: July 1974
Full Title
Operating or servicing cells > Process control or regulation
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2021.
Child Classifications
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- C25B 15/023 Measuring, analysing or testing during electrolytic production since 2021 IPC+CPC Available in IPC and CPC