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Cutting-edge gadgets on display at innovation week expo

(chinadaily.com.cn) Updated: 2016-10-13 14:05 Comments

Cutting-edge gadgets on display at innovation week expo

A staff member shows grapheme solar cells at the main venue of the National Mass Entrepreneurship and Innovation Week in Shenzhen, South China's Guangdong province, on Oct 12, 2016. [Photo/Xinhua]

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