French Patent # 920,908 - Ras scan 1

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French Patent # 920,908 - Ras
scan 1 of 5

Publisher: L’Institut national de la propriété industrielle
Document: French Patent # 920,908 - Ras
Date: Priority date January 1946
Derailleur brands: RAS
Derailleurs: RAS Course

French Patent 920,908 - Ras scan 01 main image