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invenţii (12) |
turbine eoliene cu ax vertical (12) |
inventions (10) |
vertical axis wind turbines (6) |
energie eoliană (5) |
brevete de invenţie (3) |
IPC: F03D 3/02 (2006.01) (2) |
suprasarcini (2) |
wind energy conversion (2) |
wind turbines with vertical axis (2) |
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