French Patent 669,030 addition 37,231 - Simplex scan 2

DISRAELI DOCUMENTS

French Patent # 669,030 Addition # 37,321
scan 2 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 669,030 Addition # 37,231 - Simplex
Date: French application July 1929
Derailleur brands: Simplex
Derailleurs: Le Simplex

French Patent 669,030 addition 37,231 - Simplex scan 2 main image