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Year-ender: Extraordinary inventions by ordinary folks

chinadaily.com.cn | Updated: 2017-12-27 07:38
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Potential buyers watch an automatic pancake maker at in Rizhao, East China's Shandong province, on May 20, 2017. Zhang Tongjin, a laid-off worker, invented the machine in 2015, and the first batch of 30 such pancake makers sold out instantly after they were put on the market. [Photo/VCG]
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