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DISRAELI
DOCUMENTS
French Registered Design # 31964-001 - Simplex
Text
Full size
A rider controlled chain tensioner for use with a fork derailleur.
Publisher:
L’Institut national de la propriété industrielle
Inventor: Lucien Juy
Country:
France
Date: French application November
1935
Derailleur brands:
Simplex
Derailleurs: Super Simplex
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