French Patent 747,618 - Simplex scan 1

DISRAELI DOCUMENTS

French Patent # 747,618
scan 1 of 2

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 747,618 - Simplex
Date: French application December 1932
Derailleur brands: Simplex
Derailleurs: none

French Patent 747,618 scan 1 - Simplex main image