Now showing items 1-10 of 5
inventions (5) |
invenţii (5) |
wind turbines (5) |
blades (2) |
aeolian turbines (1) |
energy conversion devices (1) |
microhidropower stations (1) |
pale ale rotorului turbinelor (1) |
planetary precessional multiplicators (1) |
precessional gearing (1) |
Now showing items 1-10 of 5