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invenţii (42) |
brevete de invenţie (22) |
inventions (20) |
teeth (11) |
precessional transmissions (8) |
roţi dinţate (8) |
dinţi (7) |
angrenaje precesionale (6) |
gear-wheels (6) |
angrenaje conice (4) |
Now showing items 1-10 of 42