Feifei Qiu

City:

Chengdu

Country:

China

Published Applications:

Last publication date:

2023-02-16

Top Assignees for applications by Feifei Qiu

The entities that hold a legal rights for patent applications filed by inventor Qiu Feifei:

Feifei Qiu from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Method for measuring deviation angle of fatigue microcrack based on nonlinear ultrasound

InventorID:

5659397 ⎘