DIFF Subgroup
C25B 9/70 Assemblies comprising two or more cells
Introduced: January 2021
Full Title
Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features > Assemblies comprising two or more cells
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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