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{{PatentInfo |Inventor=John A. Holland |Assignee=John A. Holland |Country=US |ApplicationNum=258299 |ApplicationDate=1878-11-07 |PatentNum=258299 |PatentDate=1882-05-23 |PriorityDate=1878-11-07 |Titolo=Writing-point for stylographic pens |Marca=Holland...
{{PatentInfo
|Inventor=John A. Holland
|Assignee=John A. Holland
|Country=US
|ApplicationNum=258299
|ApplicationDate=1878-11-07
|PatentNum=258299
|PatentDate=1882-05-23
|PriorityDate=1878-11-07
|Titolo=Writing-point for stylographic pens
|Marca=Holland
|Descrizione=Penna a stilo
}}
==Informazioni==
Brevetto di una [[penna a stilo]].