French Patent 780,238 - Rivierre scan 1

DISRAELI DOCUMENTS

French Patent # 780,238
scan 1 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 780,238 - Rivierre
Date: French application October 1934
Derailleur brands: Rivierre
Derailleurs: unknown

French Patent 780,238 - Rivierre scan 1 main image