French Patent 791,757 Addition 49,094 - Simplex Champion du Monde scan 1

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French Patent # 791,757 Addition # 49,094
scan 1 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 791,757 Addition # 49,094 - Simplex
Date: French application January 1938
Derailleur brands: Simplex
Derailleurs: Simplex Champion du Monde, Simplex Champion du Monde Extra Leger

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French Patent 791,757 Addition 49,094 - Simplex Champion du Monde scan 1 main image

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Simplex Champion du Monde Extra-Léger (3rd style) thumbnail

Simplex Champion du Monde Extra-Léger (3rd style) 1938?