French Patent 613,621 - Chemineau L-Izoard scan 4

DISRAELI DOCUMENTS

French Patent # 613,621
scan 4 of 5

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 613,621 - Chemineau
Date: French application March 1926
Derailleur brands: Chemineau
Derailleurs: Chemineau L’Izoard

French Patent 613,621 - Chemineau L-Izoard scan 4 main image