File:Rogallo patent.jpg
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Rogallo_patent.jpg (304 × 475 pixels, file size: 22 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 12:25, 22 August 2007 | 304 × 475 (22 KB) | Nowa123~commonswiki | Image from US patent 2546078 |
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