DIFF Subgroup
H01M 4/905 Full Title
Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Selection of catalytic material
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
H01M 4/905 Electrodes > Inert electrodes with catalytic activity, e.g. for fuel cells > Selection of catalytic material
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.