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| patent withheld from reduction to practice in the hope of future use (dans l’espoir de l’exploiter plus tard) | |||
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brevet encore non exploite : 2 a las frases, 1 temas |
| Patentes | 2 |
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| patent withheld from reduction to practice in the hope of future use (dans l’espoir de l’exploiter plus tard) | |||
|
brevet encore non exploite : 2 a las frases, 1 temas |
| Patentes | 2 |