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The ornamental design for a columnar loudspeaker, substantially as shown and described. |
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FIG. 1 is a left front perspective of a columnar _loudspeaker embodying our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a left front perspective view of a modified embodiment of the columnar loudspeaker embodying our new design;
FIG. 7 is a front view thereof;
FIG. 8 is a left side view thereof;
FIG. 9 is a right side view thereof; and
FIG. 10 is a top plan view thereof.
Schneider, Peter, Hartwein, Peter
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