| 摘要 |
A device, which is especially useful in color scanning equipment and the like, for supporting a photograhic transparency on a scanning cylinder, in which the cylinder surface is provided with a window and a layer of magnetic rubber surrounding the window, and a trimming mask made of magnetic material held in position by the rubber magnet layer, thereby enabling the support of the photographic transparency to be scanned between the trimming mask and the magnet layer so that the transparency covers the window.
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