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wind turbines (8) |
blades (4) |
brevete de invenție (3) |
inventions (3) |
invenţii (3) |
invenții (3) |
turbine eoliene (3) |
IPC: F03D 1/00 (2006.01) (2) |
aeolian turbines (1) |
aerodynamic profile (1) |
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