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			 The ornamental design for an intercommunications unit, as shown and described.  | 
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FIG. 1 is a front elevational view of an intercommunications unit showing my new design;
FIG. 2 is a left side elevational view thereof, the right side being a mirror image;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a top, front and left side perspective view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Sep 06 1989 | PLOZNER, LISIO | B P T S P A AN ITALIAN JOINT STOCK COMPANY | ASSIGNMENT OF ASSIGNORS INTEREST | 005784 | /0928 | |
| Oct 10 1989 | B.P.T. S.p.A. | (assignment on the face of the patent) | / | 
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