French Patent # 873,992 - Siroco scan 2

DISRAELI DOCUMENTS

French Patent # 873,992 - Siroco
scan 2 of 3

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 873,992 - Siroco
Date: Priority date October 1940
Derailleur brands: Siroco
Derailleurs: Siroco (1st style)

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Siroco (1st style) 1940?