DB

Du Bian

Overall (All Time): #3,768,447 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5406819 Method and equipment for forming the axle housing of an automobile using an integral steel tube Xiandong Wang 1995-04-18