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OssbergerSketch.svg de Skizze einer OssbergerTurbine en Sketch of crossflow turbine own Jahobr other versions File KaplanSketch svg Kaplan File STurbineSketch svg STurbine File BulbTurbineSketch svg Bulb File TubularGearTurbineSketch svg Tubular gear File StrafloSketch svg Straflo File FrancisSketch svg Francis File PeltonSketch