French Patent 1,204,027 addition 79,383 - Huret scan 1

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French Patent # 1,204,027 addition # 79,383
scan 1 of 4

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 1,204,027 addition # 79,383 - Huret
Date: French application March 1961
Derailleur brands: Huret
Derailleurs: Huret Allvit

French Patent 1,204,027 addition 79,383 - Huret scan 1 main image