Piccardi
{{PatentInfo |Inventor=Theodor Kovacs |Assignee=Theodor Kovacs |Country=BE |ApplicationNum=548110 |ApplicationDate=1956-05-25 |PatentNum=548110 |PatentDate=1956-06-16 |PriorityDate=1955-05-25 |Titolo=Porte-plume reservoir a douilles interchangeables po...