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| patent withheld from reduction to practice in the hope of future use (en esperanza de explotarla más tarde) | |||
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patente aun no explotada : 2 phrases in 1 subject |
| Patents | 2 |
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| patent withheld from reduction to practice in the hope of future use (en esperanza de explotarla más tarde) | |||
|
patente aun no explotada : 2 phrases in 1 subject |
| Patents | 2 |