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Closing device for fuel tank
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Frame elements for monopolar fuel cell stacks
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Heat dissipation in devices that have an internal energy supply
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External hybridisation
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Process and apparatuses for monitoring filling quantities
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Controlling the water balance in fuel cell systems
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Fluid separation apparatus
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Hybrid energy source
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Adapter as alternative for a fuel cartridge
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Mobile power supply system with a fuel cell
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Fuel cell assembly with internal cathode-sided circulation
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Sealing frame for fuel cell stack
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Device for supplying a device with liquid fuel
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