A 3D printer is on display at the 16th China Beijing International High-Tech Expo in Beijing, capital of China, May 22, 2013. [Photo: Jin Shuo/Chinanews.com]
A 3D printer is on display at the 16th China Beijing International High-Tech Expo in Beijing, capital of China, May 22, 2013. [Photo: Jin Shuo/Chinanews.com]
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