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| == Dettagli == | | == Dettagli == |
− | {{PatentInfo|Assignee=S.A. Vendita Penna Bicolore Itala Cromograf | + | {{PatentInfo |
| + | |Assignee=S.A. Vendita Penna Bicolore Itala Cromograf |
| |Country=FR | | |Country=FR |
| |ApplicationNum=840819 | | |ApplicationNum=840819 |