Swiss Patent # 266,267 - Gianello

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Swiss Patent # 266,267 - Gianello

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Publisher: Eidgenössisches Institut für Geistiges Eigentum/Institut Fédéral de la Propriété Intellectuelle
Inventor: Dante Gianello
Country: Switzerland
Date: Priority date December 1947
Derailleur brands: Gianello
Derailleurs: Gianello

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