French Patent 425,800 - Audouard scan 4

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French Patent # 425,800
scan 4 of 4

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 425,800 - Audouard
Date: French application February 1911
Derailleur brands: Audouard
Derailleurs: Audouard

French Patent 425,800 - Audouard scan 4 main image