| 摘要 |
A holder for X-ray films comprising a sheet of very thin material having a series of rectangular openings therein, each opening being surrounded by a depressed continuous flange below the plane of the sheet, and a discontinuous flange generally in the plane of the sheet of material, said discontinuous flange comprising four separate non-flexible lips or tabs extending for the major portion of the lengths of the respective sides into the rectangles in which they are located.
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