Membranes for fuel cells; membranes being parts of fuel cells; fuel cells; electrodes; membranes for fuel cells coated with electrodes; fuel cell electrodes; membrane electrode units; membrane electrode units for electrochemical transducers and accumulators; membrane electrode units for electrolysis apparatus; apparatus and instruments and membranes for accumulating and storing energy, namely, batteries, fuel cells, electrolyzers; parts of fuel cells for driving vehicles, aeroplanes, ships an...