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invenţii (24) |
turbine eoliene cu ax vertical (24) |
inventions (19) |
vertical axis wind turbines (13) |
brevete de invenţie (6) |
energie eoliană (6) |
blades (3) |
IPC: F03D 3/02 (2006.01) (3) |
pale ale rotorului turbinelor (3) |
wind energy conversion (3) |
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