comprising a non-fibrous layer and a fibrous layer superimposed on one another

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 the material > having a layered structure > comprising a non-fibrous layer and a fibrous layer superimposed on one another