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inventions (2) |
invenţii (2) |
microhidrocentrale (2) |
conversia energiei apei (1) |
energia cinetică a apei (1) |
microhydropower stations (1) |
microhydropowers (1) |
prototipuri (1) |
water kinetic energy conversion (1) |
Now showing items 1-9 of 2