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The ornamental design for a hand-held motorized tightener for musical instrument strings, as shown and described. |
FIG. 1 is an elevational view from the left side of a hand-held motorized tightener for musical instrument strings, showing our new design; the opposite side is the mirror image thereof;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
Rice, Sherwin K., McKay, Albert P.
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