WC

Wan Tzu Chien

Overall (2019): #228,164 of 560,194Top 45%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10302197 Graphite cast iron nitrided piston ring Wei Wu, Chen Yu Chien, Chia-Chun Li 2019-05-28