Device for automatically cleaning electrical contact...

Device for battery retention

Device for carrying out a chemical reaction

Device for catalytic recombination of gases for alkaline...

Device for cleaning an exhaust gas of a direct-alcohol fuel...

Device for connecting at least two fuel cell batteries and a...

Device for controlling films pulling in a device for...

Device for electrically contacting electrodes in...

Device for electro-chemical energy conversion, particularly...

Device for exhausting the fumes forming inside accumulator...

Device for filling electric battery cells

Device for filling the box of a lead battery with components...

Device for improving the current output of a chargeable...

Device for power generation

Device for priming electric batteries

Device for producing active material for lithium secondary...

Device for reconversion into water of hydrogen and oxygen...

Device for signalling a specific charge condition of an...

Device for supplying electrical power to accessory devices...

Device for the automatic feeding of nipples to a press for...