QZ

Qizhong Zhang

Overall (2019): #307,768 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10215181 Volute centrifugal fan with permanent-magnet brush-less motor system Wei Zhang 2019-02-26