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The ornamental design for a drawing instrument, as shown and described. |
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FIG. 1 is a front elevational view of a drawing instrument showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a top edge view;
FIG. 4 is a bottom edge view;
FIG. 5 is a left side edge view;
FIG. 6 is a right side edge view;
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 1;
FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 1; and,
FIG. 9 is a second embodiment of my new design of FIGS. 1-8 thereof, shown with scale markings.
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