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The ornamental design for a dual connecting block, as shown and described. |
FIG. 1 is a top, front and left side perspective view of a dual connecting block showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a top, front and left side perspective view of a dual connecting block showing a second embodiment of our new design with two sliding doors in the open position;
FIG. 9 is a perspective view thereof with the sliding doors in the closed position;
FIG. 10 is a front elevational view thereof;
FIG. 11 is a right side elevational view thereof;
FIG. 12 is a left side elevational view thereof.
Johnson, Chris G., Spitz, William T., Benjamin, James M., Olson, Kristin E.
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