File:A-I-Virtanen-patentti.jpg
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Summary
| Description |
English: Part of the patent letter given to A. I. Virtanen and his employeer for the AIV silage method. |
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| Date | ||||
| Source | http://images.cdn.yle.fi/image/upload//13-3-9930974.jpg | |||
| Author | Kauppa- ja teollisuusministeriön patenttiasiaintoimisto | |||
| Permission (Reusing this file) |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:19, 3 November 2019 | | 3,264 × 1,836 (1.38 MB) | Mlang.Finn | {{Information |description ={{en|1=Part of the patent letter given to A. I. Virtanen and his employeer for the AIV silage method.}} |date =1931 |source =http://images.cdn.yle.fi/image/upload//13-3-9930974.jpg |author =Kauppa- ja teollisuusministeriön patenttiasiaintoimisto |permission ={{PD-FinlandGov}} }} Category:Artturi Ilmari Virtanen Category:Valio Category:Patents Category:1931 in Finland |
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