DIFF Subgroup
H01M 6/44 of tubular or cup-shaped cells
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Primary cells; Manufacture thereof > Grouping of primary cells into batteries > of tubular or cup-shaped cells
CPC:
Primary cells; Manufacture thereof > Grouping of primary cells into batteries (H01M6/40 takes precedence) > of tubular or cup-shaped cells
No child classifications to compare. This is a leaf node in both IPC and CPC.