Now showing items 1-10 of 14
invenţii (11) |
inventions (9) |
teeth (4) |
mechanical engineering technology (3) |
bevel gears (2) |
brevete de invenţie (2) |
construcţie de maşini (2) |
gear-wheels (2) |
gears (2) |
precessional transmissions (2) |
Now showing items 1-10 of 14