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The ornamental design for a dumbbell, as shown and described. |
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FIG. 1 is a right front perspective of a dumbbell, showing my new design;
FIG. 2 is a side elevational view, the opposite side elevational view being substantially a mirror image, thereof;
FIG. 3 is an end elevational view thereof, the opposite end elevational view being identical thereto;
FIG. 4 is a side elevational view as is FIG. 2, with the weights being shown in alternative positions;
FIG. 5 is a right front perspective of an alternative embodiment of the dumbbell shown in FIGS. 1 through 4;
FIG. 6 is an end elevational view thereof, the opposite end elevational view being identical thereto;
FIG. 7 is a side elevational view, the opposite side elevational view being substantially a mirror image, thereof;
FIG. 8 is a top plan view, thereof;
FIG. 9 is a bottom plan view, thereof; and,
FIG. 10 is a side elevational view as in FIG. 7, with the weights being shown in alternative positions.
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