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The ornamental design for a combined transmitter and receiver for an alarm unit, as shown. |
FIG.1 is a front elevational view of a combined transmitter and receiver for an alarm unit of the present invention, with the broken line showing for illustrative purposes only and forming no part of the claimed design;
FIG. 2 is a back elevational view of a combined transmitter and receiver for an alarm unit of FIG. 1;
FIG. 3 is a left side elevational view of a combined transmitter and receiver for an alarm unit of FIG. 1;
FIG. 4 is a right side elevational view of a combined transmitter and receiver for an alarm unit of FIG. 1;
FIG. 5 is a top plan view of a combined tramsmitter and receiver for an alarm unit of FIG. 1; and,
FIG. 6 is a bottom plan view of a combined transmitter and receiver for an alarm unit of FIG. 1.
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