Found 2 3D-models for “4-blatt” across many websites

#9x3#5blade#impeller jet#3blatt#Impeller pump#3Blade#Schub#4 blatt#impeller#4blade
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Impeller Design 70mm - 3/4/5-Blades

Impeller Design 70mm - 3/4/5-Blades

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4-Blatt Klapp-Propeller 9x3

4-Blatt Klapp-Propeller 9x3

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