DIFF Subgroup
C25B 9/60 Constructional parts of 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 > Constructional parts of cells
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2021.
Child Classifications
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