YH

Yu Haiyan

Overall (All Time): #3,115,217 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8778048 Biochemical humic acid product prepared from kitchen waste and the method of preparing the same Qian Huang 2014-07-15