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The ornamental design for an ergonomic eight key chord keyboard, as shown and described. |
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FIG. 1 is a top plan view of an ergonomic eight key chord keyboard showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof;
FIG. 4 is a rear view thereof; and,
FIG. 5 is a perspective view thereof.
The broken line showing of human hands is for illustrative purposes only and forms no part of the claimed design.
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