ZD

Zhijian Da

CC China Petroleum & Chemical: 1 patents #3 of 75Top 4%
Overall (2004): #78,618 of 270,089Top 30%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6787123 Rare earth zeolite Y and the preparation process thereof Jun Du, Zheng Li, Mingyuan He 2004-09-07