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			 The ornamental design for loudspeaker, as shown and described.  | 
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FIG. 1 is a front elevational view of a loudspeaker showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a top plan view;
FIG. 4 is a bottom plan view;
FIG. 5 is a left side elevational view;
FIG. 6 is a right side elevational view; and
FIG. 7 is a front perspective view.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
| Feb 13 1981 | MATSUBARA, HIDEYUKI | Pioneer Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST | 003919 | /0018 | |
| Mar 04 1981 | Pioneer Kabushiki Kaisha | (assignment on the face of the patent) | / | 
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