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{{PatentInfo |Inventor=Hans Paasch |Assignee=Hans Paasch |Country=DE |ApplicationNum=P61842 |ApplicationDate=1929-12-08 |PatentNum=549180 |PatentDate=1932-04-23 |PriorityDate=1929-12-08 |Titolo=Fuellbleistift |Marca=Unbranded |Descrizione=Penna }} ==I...