QY

Qibiao Yang

📍 Gongbei, CN: #1 of 1 inventorsTop 100%
Overall (1997): #92,000 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5599851 Superfine microelemental biochemical mixture and foamed plastic products thereof Rui Jin, Jun Liu 1997-02-04