DIFF Subgroup
H01M 50/618 Pressure control
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 > Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings > Arrangements or processes for filling with liquid, e.g. electrolytes > Pressure control
No child classifications to compare. This is a leaf node in both IPC and CPC.