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DISRAELI
DOCUMENTS
French Patent # 406,967
scan 1 of 4
Publisher:
L’Institut national de la propriété industrielle
Document:
French Patent # 406,967 - Boizot
Date: Belgian application September
1908
, French application September 1909
Derailleur brands:
Boizot
Derailleurs: Boizot 2 speed
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