Qingshan Zhang

City:

Baoding

Country:

China

Published Applications:

Last publication date:

2025-09-16

Top Assignees for applications by Qingshan Zhang

The entities that hold a legal rights for patent applications filed by inventor Zhang Qingshan:

Qingshan Zhang from Baoding, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Integration and calibration method of geomagnetic vector measuring device for exploration

InventorID:

7571186 ⎘