French Patent 669,030 Addition 37,905 - Simplex scan 3

DISRAELI DOCUMENTS

French Patent # 669,030 Addition # 37,905
scan 3 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 669,030 Addition # 37,905 - Simplex
Date: French application January 1930
Derailleur brands: Simplex
Derailleurs: Le Simplex

French Patent 669,030 Addition 37,905 - Simplex scan 3 main image