Piccardi
nessun oggetto della modifica
22:28
+25
Piccardi
{{PatentInfo |Inventor=George Sweetser |Assignee=George Sweetser |Country=GB |ApplicationNum=36359/28 |ApplicationDate=1928-12-10 |PatentNum=326242 |PatentDate=1931-03-24 |PriorityDate=1928-12-10 |Titolo=Improvements in self-filling sac pens |Marca=Men...
22:20
+581