File:Grund trompe drawing -de.png
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| Description |
Français : Dessin du compresseur de Grund, 4 ème puits d'aération, usine de la mine royale, Bad Grund, Allemagne.
English: Drawing of Grund compressor, 4th light-shaft, Royal Mine plant, Bad Grund, Germany. (from Glückauf)
Deutsch: Zeichnung des Grund-Hydrokompressor, 4. Lichtloch TGS, Bad Grund, Deutschland. (von Glückauf) |
| Date | |
| Source | Hydraulische Kompressoren, Polytechnisches Journal, Nr. 38, 24 September 1910. Siehe auch : Glückauf, Nr. 33, 13 August 1910 |
| Author | Oberingenieur Peter Bernstein, Köln |
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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 | 20:43, 15 November 2018 | | 768 × 1,059 (181 KB) | Borvan53 (talk | contribs) | User created page with UploadWizard |
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