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UN Unknown: 1 patents #394 of 3,590Top 15%
Overall (2019): #326,317 of 560,194Top 60%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10408803 Mass spectrometer detection and analysis method Huajun Zhang 2019-09-10