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The ornamental design for a pipe fitting cleaning brush, as shown and described. |
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FIG. 1 is a side elevational view of a pipe fitting cleaning brush showing my new design, the opposite side being a mirror image;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a rear elevational view thereof.
The electric screwdriver is shown in dotted lines and is not part of the design as claimed.
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