CPC Subgroup
H01M 4/928 Full Title
Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Selection of catalytic material > Metals of platinum group (H01M4/94 take precedence)
H01M 4/928 Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Selection of catalytic material > Metals of platinum group (H01M4/94 take precedence)