French Patent # 2,459,920 - Simplex scan 1

DISRAELI DOCUMENTS

French Patent # 2,459,920 - Simplex
scan 1 of 11

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 2,459,920 - Simplex
Date: Priority date June 1979
Derailleur brands: Simplex
Derailleurs: none - or too many to list here

French Patent 2,459,920 - Simplex scan 001 main image