Tonchev.net
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Хидро-кинетична енергетика и гравитационна енергоакумулация
Механични гравитационни усилватели
X-hydrokinetic rotor integrated with X-booster operates by free gravity oscillating weights
boosted rotational torque of low RPM under water turbine of surface flow of shallow river stream
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Copyrights byi’ George Tonchev,,
+359 876 403 727
InventorTonchev@gmail.com