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The ornamental design for a smoke detector tester, as shown and described. |
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FIG. 1 is a right front perspective view of a smoke detector showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left front perspective view thereof with the tube extended and the ash collector raised.
The showing of smoke and cigarette in broken lines in FIG. 7 is environmental only and form no part of the claimed design.
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