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brevete de invenţie (2) |
invenţii (2) |
IPC: F03D 1/06 (2006.01) (2) |
motoare eoliene (2) |
wind turbines (2) |
helical turbines (1) |
helical wind turbines (1) |
IPC: F03D 3/02 (2006.01) (1) |
turbine elicoidale eoliene (1) |
turbine eoliene (1) |
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