The ornamental design for a fuelsupply for fuelcells, as shown and described.
FIG. 1 is a perspective view of an embodiment showing our new design with broken lines showing a background associated with the embodiment, said broken lines are for illustrative purpose only and form no part of the claimed design.
FIG. 2 is another perspective view of the embodiment, of FIG. 1 showing our new design with broken lines showing another background associated with the embodiment, said broken lines are for illustrative purpose only and form no part of the claimed design; and,
FIG. 3 another perspective view of the embodiment showing our new design with broken lines showing another background associated with the embodiment, said broken lines for illustrative purpose only and form no part of the claimed design.
Broken lines are for illustrative purposes only and form no part of the claimed design.