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| Description |
English: Jan Sokołowski, Polish scientist |
| Date | |
| Source | scanned from Polish "Problemy" monthly, december 1967, page 710 |
| Author | Photographer Witold Czarnecki |
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This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.
This work is in the public domain in the United States because it meets three requirements:
To uploader: Please provide where and when the image was first published.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:25, 13 May 2009 | | 865 × 1,264 (270 KB) | Szczebrzeszynski | {{Information |Description={{en|1=Jan Sokołowski, Polish scientist}} |Source=scanned from Polish "Problemy" monthly, december 1967, page 710 |Author=Photographer Witold Czarnecki |Date=1967 |Permission= |other_versions= }} {{PD-Poland}} <!--{{ImageUpload |
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