Piccardi
{{PatentInfo |Assignee=A. J. Fagard & C.ie |Country=BE |ApplicationNum=472541 |ApplicationDate=1947-04-15 |PatentNum=472541 |PatentDate=1947-05-31 |PriorityDate=1946-04-15 |Titolo=Porte-mine perfectionné |Marca=JiF |Descrizione=Matita meccanica }} ==I...