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{{PatentInfo |Inventor=Mabie, Todd & Company Limited |Assignee=Mabie, Todd & Company Limited |Country=GB |ApplicationNum=31142/30 |ApplicationDate=1930-10-17 |PatentNum=359200 |PatentDate=1931-10-22 |PriorityDate=1930-10-17 |Titolo=Improved fountain pe...
{{PatentInfo
|Inventor=Mabie, Todd & Company Limited
|Assignee=Mabie, Todd & Company Limited
|Country=GB
|ApplicationNum=31142/30
|ApplicationDate=1930-10-17
|PatentNum=359200
|PatentDate=1931-10-22
|PriorityDate=1930-10-17
|Titolo=Improved fountain pen
|Marca=Swan
|Descrizione=Stiloforo trasformabile
}}
==Informazioni==
Brevetto per uno [[stiloforo]] trasformabile in penna ordinaria.

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