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The ornamental design for a pipe cleaning apparatus, as shown and described. |
FIG. 1 is a side perspective view of a pipe cleaning apparatus showing my new design;
FIG. 2 is a side elevational view taken from the right of FIG. 3;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view taken from the left of FIG. 3;
FIG. 6 is a bottom view of FIG. 3;
FIG. 7 is a top view of FIG. 3; and,
FIG. 8 is a side elevational view thereof.
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