File:Läufer einer Dériaz-Turbine mit geschlossenen Schaufeln.jpg

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Läufer_einer_Dériaz-Turbine_mit_geschlossenen_Schaufeln.jpg ‎(586 × 513 pixels, file size: 82 KB, MIME type: image/jpeg)

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Français : Roue Dériaz, aubage en position fermé
Date
Source Paul Dériaz:La turbine-pompe réversible axio-centrifuge à pas variable: le développement d'une nouvelle machine hydraulique. Bulletin technique de la Suisse romande. 1955. Seite 385. Fig. 7b. DOI:10.5169/seals-61375
Author Unknown authorUnknown author
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  3. it was in the public domain in its home country (Switzerland) on the URAA date (1 January 1996).

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Non-individual picture created in Switzerland are only for 50 years protected. (Art. 29 Abs. 2 lit. abis URG)

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current19:15, 20 November 2021Thumbnail for version as of 19:15, 20 November 2021586 × 513 (82 KB)Pechristener (talk | contribs){{Information |description={{fr|1=Roue Dériaz, aubage en position fermé}} |date=1955 |source=Paul Dériaz:''La turbine-pompe réversible axio-centrifuge à pas variable: le développement d'une nouvelle machine hydraulique''. Bulletin technique de la Suisse romande. 1955. Seite 385. Fig. 7b. [http://doi.org/10.5169/seals-61375 DOI:10.5169/seals-61375] |Author={{unknown|author}} |Permission={{PD-anon-auto-1996|publication=1952|country=Switzerland|reason=Non-individual picture created in Switzerlan...

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