Beibei Ouyang

City:

Qingdao

Country:

China

Published Applications:

Last publication date:

2018-08-02

Top Assignees for applications by Beibei Ouyang

The entities that hold a legal rights for patent applications filed by inventor Ouyang Beibei:

Beibei Ouyang from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

End point closing wall forming device of extrusion type underground diaphragm wall and method for operating same

InventorID:

2257804 ⎘