Piccardi
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Piccardi
{{PatentInfo |Inventor=Levi D. Van Valenburg |Assignee=Levi D. Van Valenburg |Country=US |ApplicationNum=328757 |ApplicationDate=1906-08-01 |PatentNum=844061 |PatentDate=1907-02-12 |PriorityDate=1906-08-01 |Titolo=Fountain-pen retainer |Marca=Williamso...
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