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The ornamental design for a portable circuit tester, as shown and described. |
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FIG. 1 is a front and top-right perspective view of a portable circuit tester showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof, the left side being a mirror image thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof.
The lead wires in FIGS. 2-4 and 6 have been omitted for ease of illustration.
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