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invenţii (3) |
planetary precessional transmissions (3) |
transmisii planetare precesionale (3) |
inventions (2) |
roţi dinţate (2) |
additive technologies (1) |
brevete de invenţie (1) |
fabricare aditivă (1) |
gear wheels (1) |
gearwheels (1) |
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