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Hanover Industral Trade Fair in Germany

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Visitors look at a shopping-guide robot during the 'Hannover Messe' industrial trade fair in Hanover, Germany, on April 20, 2009.

Visitors look at a shopping-guide robot during the "Hannover Messe" industrial trade fair in Hanover, Germany, on April 20, 2009. [Xinhua]

(Xinhua News Agency April 21, 2009)

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