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The ornamental design for an electronic flash unit, substantially as shown. |
FIG. 1 is a top plan view of an electronic flash unit, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is right side view thereof; and
FIG. 6 is a bottom plan view thereof.
Kramer, Jochen, Prochnow, Claus
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 14 1975 | Rollei-Werke Franke & Heidecke | (assignment on the face of the patent) | / |
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