File:1885-06-11 - Kaiserliches Patentamt - Patentschrift 31781 (1von2).png
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| Description |
Deutsch: Patentschrift No 31781, Klasse 62 (Salinenwesen); Brandes in Salzuflen (Lippe): "Verfahren zur Gewinnung grobkörnigen Kochsalzes" [Seite 1/2] |
| Date | |
| Source | Kaiserliches Patentamt |
| Author | Kaiserliches Patentamt, Berlin, Deutsches Reich |
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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 70 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| current | 07:23, 19 December 2020 | | 1,100 × 1,542 (2.82 MB) | UNTERMVIERENBERGE-2 (talk | contribs) | Uploaded a work by unbekannt from Kaiserliches Patentamt with UploadWizard |
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