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3D printing wows at Wuhan Optics expo

Updated: 2014-11-07 13:40 (chinadaily.com.cn)
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3D printing wows at Wuhan Optics expo

People visit Lenovo's booth at the Optics Valley of China International Optoelectronic Exposition, in Wuhan, Central China's Hubei province, Nov 6, 2014.[Photo/Xinhua]

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