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{{PatentInfo |Inventor=Benjamin William Warwick |Assignee=Benjamin William Warwick |Country=GB |ApplicationNum=190428533 |ApplicationDate=1904-12-28 |PatentNum=190428533 |PatentDate=1905-10-26 |PriorityDate=1904-12-28 |Titolo=Improvements in Reservoir...
{{PatentInfo
|Inventor=Benjamin William Warwick
|Assignee=Benjamin William Warwick
|Country=GB
|ApplicationNum=190428533
|ApplicationDate=1904-12-28
|PatentNum=190428533
|PatentDate=1905-10-26
|PriorityDate=1904-12-28
|Titolo=Improvements in Reservoir Pens
|Marca=Unbranded
|Descrizione=Penna a stilo
}}
==Informazioni==
Brevetto per una [[penna a stilo]].

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