French Patent 991,140 - Simplex scan 1

DISRAELI DOCUMENTS

French Patent # 991,140
scan 1 of 2

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 991,140 - Simplex
Date: French application April 1944
Derailleur brands: Simplex
Derailleurs: Simplex Champion du Monde 46

French Patent 991,140 scan 1 - Simplex main image