 |
| |||
| certificat d’addition; brevet d'addition | |||
| brevet additionnel; certificat de perfectionnement | |||
| certificat d'addition | |||
|
patent of addition : 4 фрази в 1 тематиці |
| Патенти | 4 |
|
| |||
| certificat d’addition; brevet d'addition | |||
| brevet additionnel; certificat de perfectionnement | |||
| certificat d'addition | |||
|
patent of addition : 4 фрази в 1 тематиці |
| Патенти | 4 |