CH

Cheng-Fa Hsieh

CD China Petrochemical Development: 1 patents #2 of 8Top 25%
Overall (2011): #334,503 of 364,097Top 95%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7892512 Method for manufacturing hydroxylamine Shu-Hung Yang, Yi-Bau Hung 2011-02-22