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{{PatentInfo |Inventor=Laszlo Moholy-Nagy |Assignee=The Parker Pen Company |Country=US |ApplicationNum=653533 |ApplicationDate=1946-03-11 |PatentNum=2503061 |PatentDate=1950-04-04 |PriorityDate=1946-03-11 |Titolo=Pen desk set |Marca=Parker |Descrizion...