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The ornamental design for a signal indicator for educational use, as shown. |
FIG. 1 is a perspective view of the signal indicator for educational use showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevation view thereof the left side being a mirror image of that shown;
FIG. 5 is a rear elevation view thereof; and,
FIG. 6 is a bottom plan view thereof.
Heiser, Margaret M., Terrell, Sandra J.
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