DISRAELI DOCUMENTS

Italian Patent # 941,031 - Guizzardi

Italian Patent 941,031 - Guizzardi main image

This screen describes a patent for a derailleur. The inventor is 'M. Guizzardi'. The priority date is November 1971.

Italian Patent 941,031 - Guizzardi main image

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Guizzardi (1st style) thumbnail
Guizzardi (2nd style) thumbnail


Guizzardi (1st style) 1971?

Guizzardi (2nd style) 1971?