DIFF Subgroup
H01M 4/94 Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
Introduced: July 1974
Full Title
Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
No child classifications to compare. This is a leaf node in both IPC and CPC.