Walka o patent
| Publisher | Egmont Polska |
| Date | 2007 |
| Type | Comic Strips, Softcover |
| Language | Polish |
| Artist | Marco Meloni |
| Creator | Walt Disney |
| Writer | Marco Meloni |
| Links | Published in |
| Notes | Published in "Mroki średniowiecza". |
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Collected in 1
| Title | Number | Date | Format | |
|---|---|---|---|---|
 | Mroki Średniowiecza | Vol. 77 | 2007 | Softcover |