DIFF Subgroup
H01M 50/469 tubular or cylindrical
Introduced: January 2021
Full Title
Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells > Separators; Membranes; Diaphragms; Spacing elements inside cells > Separators, membranes or diaphragms characterised by their shape > tubular or cylindrical
No child classifications to compare. This is a leaf node in both IPC and CPC.