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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:17, 21 May 2008 | 2,200 × 849 (280 KB) | Krzysiulek~commonswiki | {{Information |Description= Machine working principle |Source= Self-made |Date= 24.12.2007 |Author= ~~~~ |Permission= Public domain all rights released |other_versions= no }} |
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