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 award.
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 award.
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