DIFF Subgroup
H01M 8/028 Sealing means characterised by their material
Introduced: January 2016
Full Title
Full titles differ between systems:
IPC:
Fuel cells; Manufacture thereof > Details > Sealing or supporting means around electrodes, matrices or membranes > Sealing means characterised by their material
CPC:
Fuel cells; Manufacture thereof > Details (electrodes H01M4/86 - H01M4/98) > Sealing or supporting means around electrodes, matrices or membranes > Sealing means characterised by their material
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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