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invenţii (47) |
inventions (43) |
turbine eoliene cu ax orizontal (10) |
brevete de invenție (8) |
invenții (8) |
wind turbines (7) |
panouri fotovoltaice (6) |
photovoltaic panels (6) |
wave energy (6) |
blades (5) |
Now showing items 1-10 of 68