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Top 10 countries for patent applications in 2021

chinadaily.com.cn | Updated: 2022-06-28 06:40
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No 4 South Korea

A woman wears a mask inside a glass-covered bus stop in which a thermal imaging camera, UV sterilizer, air conditioner, CCTV and digital signage are set, to avoid the spread of COVID-19 in Seoul, South Korea, on Aug 14, 2020. [Photo/Agencies]
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