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BOCANEGRA
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April 05, 2006
Isidoro Bocanegra of Spain presents the aeolian system he invented, at the 34th International Exhibition...
Geneva, Switzerland
Isidoro Bocanegra of Spain presents the aeolian system he invented, at the 34th International Exhibi.....
Isidoro Bocanegra of Spain presents the aeolian system he invented, at the 34th International Exhibition of Inventions, New Techniques and Products at Palexpo in Geneva, Switzerland, April 5, 2006. His creation has two rotors that turn in opposite directions, creating better air performance. They can work at smaller speeds of wind and reduce acoustic emissions.
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