Pressure control

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

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY