Compact ROR hydropower generator for use in rivers and streams #DigInfo

Compact ROR hydropower generator for use in rivers and streams
http://www.diginfo.tv/v/12-0219-r-en.php

DigInfo TV - http://diginfo.tv

5/12/2012 Renewable Energy 2012 Exhibition

Ibasei - http://www.ibasei.jp/
Cappa Project - http://earthmilk.jp/top.html

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