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The ornamental design for a window washing device, as shown and described. |
FIG. 1 is a top plan view of a window washing device showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a side elevational view thereof, the opposite side being a mirror image;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a front and side perspective view thereof.
Andrew, III, Charles O. C., Elder, III, David H.
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