CPC Subgroup
H01M 6/44 of tubular or cup-shaped cells
Full Title
Primary cells; Manufacture thereof > Grouping of primary cells into batteries (H01M6/40 takes precedence) > of tubular or cup-shaped cells
H01M 6/44 Primary cells; Manufacture thereof > Grouping of primary cells into batteries (H01M6/40 takes precedence) > of tubular or cup-shaped cells