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The ornamental design for a doorknob security cover assembly, as shown and described. |
FIG. 1 is an exploded front elevational view of a doorknob security cover assembly showing my new design;
FIG. 2 is an exploded rear elevational view thereof;
FIG. 3 is an exploded left side elevational view thereof;
FIG. 4 is an exploded right side elevational view thereof;
FIG. 5 is an exploded top plan view thereof;
FIG. 6 is an exploded bottom plan view thereof; and,
FIG. 7 is a top, front, and right side perspective view thereof, with the broken-line disclosure of a padlock and doorknob being for illustrative purposes only and forming no part of the claimed design.
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