| 
 | The ornamental design for a keyboard stand, as shown and described. | |||||||||||||||||
FIG. 1 is a perspective view of a keyboard stand showing my new design, the broken line showing of a keyboard is for illustrative purposes only;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right end elevational view the left end being a mirror image thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a perspective view of an alternate embodiment of the keyboard stand shown in FIG. 1; and
FIG. 8 is a top plan view of FIG. 7.
The second embodiment of FIG. 7 is identical to the first embodiment of FIGS. 1 through 6 except that it is shorter in length.
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