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参观者画廊
Prominent guests in our » V.I.P.-gallery.
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21 april 2008 - Energy Saving Department , Urals State Technical University, Russia |
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07 april 2007 - Association of Entrepreneurs Westfalen Mitte |
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31 march 2008 - Manager of photovoltaic sector, China |
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19 march 2008 - master class ‚Architecture and Sustainability’, Universidad Politecnica de Cataluña, Barcelona |
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11 march 2008 - students from Rudolf-Steiner school in Witten |
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21 february 2008 - Electrical engineers from South Korea |
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