Now showing items 1-10 of 4
planetary precessional transmissions (4) |
precessional transmissions (2) |
friction (1) |
gearing (1) |
gears (1) |
inventions (1) |
invenţii (1) |
kinematical precessional gearing (1) |
mechanical transmissions (1) |
plastic wheels (1) |
Now showing items 1-10 of 4