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The ornamental design for a chimney cleaning apparatus, as shown and described.
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FIG. 1 is a front elevational view of a chimney cleaning apparatus showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a perspective view thereof.
The handle is shown broken away to indicate an unspecified length.
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