Now showing items 1-10 of 54
invenţii (42) |
brevete de invenţie (22) |
inventions (20) |
teeth (14) |
roţi dinţate (12) |
dinţi (10) |
precessional transmissions (9) |
angrenaje precesionale (6) |
gear-wheels (6) |
precessional gears (6) |
Now showing items 1-10 of 54