French Patent # 1,042,929 - Nivex

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French Patent # 1,042,929 - Nivex

French Patent 1,042,929 - Nivex main image

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Publisher: L'Institut national de la propriété industrielle
Inventor: Aimé-Pierre-Louis Gardini
Country: France
Date: Priority date April 1951
Derailleur brands: Nivex
Derailleurs: none

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