French Patent # 935,428 - Gianello

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French Patent # 935,428 - Gianello

French Patent 935,428 - Gianello main image

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Publisher: L’Institut national de la propriété industrielle
Inventor: Dante Gianello
Country: France
Date: Priority date October 1946
Derailleur brands: Gianello
Derailleurs: unknown

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