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Energy saving lamp is eco-winner
phys.org
Oct 22, · Roland Hischier, Tobias Welz und Lorenz Hilty, of Empa's "Technology and ... bulbs with compact fluorescent lamps," clarifies Roland Hischier.
Energy saving lamp is eco-winner | (e) Science News
esciencenews.com
Roland Hischier, Tobias Welz und Lorenz Hilty, of Empa's «Technology and Society» Laboratory, have examined in detail the different lighting methods
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