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(11) | EP 1 431 679 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Ventilation box |
| (57) Ventilation box of the type made up of a quadrangular frame (1) which has in its
interior a turbine (5) driven by its correspondent motor (6) which is positioned in
the cleared zone (8) in the face of the frame (1) where the outlet is located (2),
enabling the ventilation box to operate in both a horizontal and a vertical position. |