by administración | Oct 16, 2018 | Sin categoría
This space is reserved for the collaboration of visitors to my page. I will appreciate the positive and negative comments in expression of a freedom that should characterize us. The fundamental issue will be the Fish Ladder and everything related to its operation. I...
by administración | Oct 16, 2018 | Sin categoría
The invention “Fish Ladder” presented this year at the 46th International Invention Exhibition in Geneva, has been awarded the Gold Medal. Here Mr. MANUEL ENRIQUE POSADA GONZÁLEZ, receiving the...
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