QT

Qingchao Tian

Overall (2019): #308,011 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10494690 High-toughness seamless steel tube for automobile safety airbag and manufacturing method therefor Guoli Zhai, Qijiang Wang, Cailing Liu 2019-12-03