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DISRAELI
DOCUMENTS
French Patent # 669,030 Addition # 50,197 - Simplex
Text
Pages
Simplex’s ‘monobloc’ fitting.
Publisher:
L’Institut national de la propriété industrielle
Inventor: Lucien Juy
Country:
France
Date: French application February
1939
Derailleur brands:
Simplex
Derailleurs: nothing specific
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