ZZ

Zhuangdou Zhang

📍 Shangqiu City, CN: #2 of 3 inventorsTop 70%
Overall (2021): #188,217 of 548,734Top 35%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11040890 Tannery process with effluent recycling 2021-06-22