Zelin Ding

City:

LiShui

Country:

China

Published Applications:

Last publication date:

2018-02-08

Top Assignees for applications by Zelin Ding

The entities that hold a legal rights for patent applications filed by inventor Ding Zelin:

Zelin Ding from LiShui, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Automatic machining device for high-speed rail pantograph carbon contact strip and machining method therefor

InventorID:

6459269 ⎘