The ornamental design for a combineddualopeningbeverage can with attachable substrate, as shown and described.
FIG. 1 is a top front perspective view of a combined dual opening beverage can with attachable substrate, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an alternate front view thereof, showing the substrate separated from the can.
The broken lines shown are included for the purpose of illustrating portions of the combined dual opening beverage can with attachable substrate that form no part of the claim.