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Chia-Fu Chang

📍 Dashulong, TW: #98 of 172 inventorsTop 60%
Overall (2019): #516,498 of 560,194Top 95%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D861244 Face mask 2019-09-24