French Patent 861,998 - Simplex scan 1

DISRAELI DOCUMENTS

French Patent # 861,998
scan 1 of 4

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 861,998 - Simplex
Date: French application August 1939
Derailleur brands: Simplex
Derailleurs: none

French Patent 861,998 scan 1 - Simplex main image