French Patent # 760,855 Addition # 44,580 - Simplex

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French Patent # 760,855 Addition # 44,580 - Simplex

French Patent 760,855 Addition 44,580 - Simplex main image

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Publisher: L’Institut national de la propriété industrielle
Inventor: Charles Lucien Hippolyte Juy
Country: France
Date: Priority date March 1934
Derailleur brands: Simplex
Derailleurs: unknown

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