File:USPatent6518683.png
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USPatent6518683.png (326 × 485 pixels, file size: 36 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:09, 12 May 2006 | ![]() | 326 × 485 (36 KB) | commons>Accurimbono | {{Information| |Description=Butterfly valve, Valvola a Farfalla |Source=http://en.wikipedia.org/wiki/Image:USPatent6518683.png |Date= |Author= |Permission={{PD-US-patent}} |other_versions= }} |
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