German Patent # 922,929 - Fichtel & Sachs

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German Patent # 922,929 - Fichtel & Sachs

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Publisher: Deutsches Patent- und Markenamt
Inventor: Paul Dotter and Max Kimpflinger
Country: Germany
Date: Priority date February 1952
Derailleur brands: Fichtel & Sachs
Derailleurs: Fichtel & Sachs

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