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Top 8 patent assigning countries in US in 2019

chinadaily.com.cn | Updated: 2020-02-06 06:40
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No 8: Canada

Patent number in 2019: 4,651

Change from 2018: 17.63 percent

Participants compete during the Ice Dragon Boat Festival on Dows Lake in Ottawa, Feb 9, 2019. [Photo/Agencies]
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