French Patent 729,910 addition 44,390 - Huret scan 2

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French Patent # 729,910 Addition # 44,390
scan 2 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 729,910 Addition # 44,390 - Huret
Date: French application January 1934
Derailleur brands: Huret
Derailleurs: Huret

French Patent 729,910 addition 44,390 - Huret scan 2 main image