File:Savonius rotor patent cover sheet.png
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Summary
| Description |
English: Original cover sheet of the Savonius rotor finish patent. Deutsch: Original Deckblatt des finnischen Patents für den Savonius-Rotor. |
| Date | |
| Source | http://www.prh.fi/stc/attachments/innogalleria/Nayttelyposterit_Savonius.pdf |
| Author | Sigurd Savonius |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 75 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:04, 21 December 2011 | | 540 × 843 (369 KB) | XXLRay |
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