Process for the production of electrolytic condensers
GB460423A
Improvements in or relating to the manufacture of cells for electrolytic or electrostatic condensers or secondary batteries
DE666445C
Method of holding together a coil for electrolytic cells, e.g. B. capacitors, secondary elements, etc., which is covered with an overlapping metal foil
DE651665C
Process for the production of electrolytic cells, in particular of electrolytic capacitors
GB428665A
Improvements in or relating to apparatus for the voltage transformation of direct currents electrical energy
GB399037A
Improvements in and relating to electrolytic cells