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brevete de invenție (3) |
energie solară (3) |
invenții (3) |
panouri fotovoltaice (3) |
photovoltaic panels (3) |
solar energy (3) |
IPC: B60K 16/00 (2006.01) (2) |
IPC: F24J 2/38 (2006.01) (2) |
IPC: F24J 2/54 (2006.01) (2) |
biaxial orientation (1) |
Now showing items 1-10 of 3