File:Patent-Document-2967578.jpg
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Patent-Document-2967578.jpg (500 × 490 pixels, file size: 67 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:09, 7 March 2007 | ![]() | 500 × 490 (67 KB) | commons>Liftarn | {{Information |Description=US Patent 2967578 |Source=Originally from [http://en.wikipedia.org en.wikipedia]; description page is/was [http://en.wikipedia.org/w/index.php?title=Image%3APatent-Document-2967578.jpg here]. |Date=2007-02-24 (first version); 20 |
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