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{{PatentInfo |Inventor=Andrew Stuart Horn |Assignee=The Lang Pen Company |Country=GB |ApplicationNum=3842/47 |ApplicationDate=1947-02-10 |PatentNum=621241 |PatentDate=1949-04-06 |PriorityDate=1947-02-10 |Titolo=Improvements in and relating to Sac Self-...
{{PatentInfo
|Inventor=Andrew Stuart Horn
|Assignee=The Lang Pen Company
|Country=GB
|ApplicationNum=3842/47
|ApplicationDate=1947-02-10
|PatentNum=621241
|PatentDate=1949-04-06
|PriorityDate=1947-02-10
|Titolo=Improvements in and relating to Sac Self-Filling Fountain Pens
|Marca=Lang
|Descrizione=[[caricamento a levetta]]
}}
==Informazioni==
Brevetto per una variante di [[caricamento a levetta]]
|Inventor=Andrew Stuart Horn
|Assignee=The Lang Pen Company
|Country=GB
|ApplicationNum=3842/47
|ApplicationDate=1947-02-10
|PatentNum=621241
|PatentDate=1949-04-06
|PriorityDate=1947-02-10
|Titolo=Improvements in and relating to Sac Self-Filling Fountain Pens
|Marca=Lang
|Descrizione=[[caricamento a levetta]]
}}
==Informazioni==
Brevetto per una variante di [[caricamento a levetta]]