DIFF Subgroup
H01M 4/40 Alloys based on alkali metals
Introduced: July 1974
Full Title
Electrodes > Electrodes composed of, or comprising, active material > Selection of substances as active materials, active masses, active liquids > of elements or alloys > Alloys based on alkali metals
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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