DIFF Subgroup
H01M 12/08 composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Hybrid cells; Manufacture thereof > composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
CPC:
Hybrid cells; Manufacture thereof (hybrid capacitors H01G11/00) > composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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