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Energy from Natural Resources => Gravity powered devices => Topic started by: iacob alex on June 16, 2016, 06:55:58 AM

Title: Hackenberger motor...
Post by: iacob alex on June 16, 2016, 06:55:58 AM

.....as a proposal , at : http://moteur-hackenberger.over-blog.com/page/6
Al_ex

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