DIFF Subgroup
H01M 8/249 comprising two or more groupings of fuel cells, e.g. modular assemblies
Introduced: January 2016
Full Title
Fuel cells; Manufacture thereof > Grouping of fuel cells, e.g. stacking of fuel cells > comprising two or more groupings of fuel cells, e.g. modular assemblies
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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