French Patent 899,401 - Campagnolo scan 1

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French Patent # 899,401
scan 1 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 899,401 - Campagnolo
Date: Italian application April 1943, French application November 1943
Derailleur brands: Campagnolo
Derailleurs: none

French Patent 899,401 - Campagnolo scan 1 main image

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