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The ornamental design for electronic flash unit, as shown. |
FIG. 1 is a front elevational view of an electronic flash unit showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear perspective view thereof; and
FIG. 8 is a front perspective view thereof.
Ap, Chong, Kim, Ong C., Zobel, Ernst-Gunther
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 03 1978 | Rollei-Werke Frank & Heidecke | (assignment on the face of the patent) | / |
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