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energie eoliană (7) |
inventions (7) |
invenţii (7) |
turbine eoliene cu ax vertical (3) |
wind energy (3) |
wind energy conversion (2) |
conversie a energiei (1) |
conversion devices (1) |
conversion systems (1) |
horizontal axis wind turbines (1) |
Now showing items 1-10 of 7