DIFF Subgroup
C25B 11/043 Carbon, e.g. diamond or graphene
Introduced: January 2021
Full Title
Electrodes; Manufacture thereof not otherwise provided for > characterised by the material > Electrodes formed of a single material > Carbon, e.g. diamond or graphene
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2021.
Child Classifications
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