Monday, September 1, 2014

Päikeseenergia, fotoelemendid ja väiketootmine facebookis.

https://www.facebook.com/groups/1477049859219604/
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1 comment:

Anonymous said...

http://maaleht.delfi.ee/news/uudised/eestiuudised/ime-hiiumaal-paikeseenergial-tootav-kuppelmaja-majandab-end-ise.d?id=69795983

September 22, 2014 at 4:53 AM

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