DH

Duanzhi Hu

UN Unknown: 1 patents #394 of 3,590Top 15%
Overall (2019): #481,091 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10183247 Method of manufacturing a rotary-type physical shield purifier — 2019-01-22