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The ornamental design for toy piano, substantially as shown and described. |
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FIG. 1 is a front, top and left side perspective view of a toy piano showing our new design;
FIG. 2 is a rear, bottom and right side perspective view;
FIG. 3 is a top plan view;
FIG. 4 is a front elevational view; and
FIG. 5 is a left side elevational view.
Uozumi, Sozen, Hayama, Yoshio, Kurita, Humiuki
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