French Patent # 727,193 - Vittoria

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French Patent # 727,193 - Vittoria

French Patent 727,193 - Vittoria main image

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Publisher: L'Institut national de la propriété industrielle
Inventor: Tommaso Nieddu
Country: France
Date: Priority date November 1930
Derailleur brands: Vittoria
Derailleurs: Vittoria Margherita (1st style)

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