DIFF Subgroup
H01M 6/46 of flat cells
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Primary cells; Manufacture thereof > Grouping of primary cells into batteries > of flat cells
CPC:
Primary cells; Manufacture thereof > Grouping of primary cells into batteries (H01M6/40 takes precedence) > of flat cells
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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