Ru JIA

City:

Jiangsu

Country:

China

Published Applications:

Last publication date:

2020-06-25

Top Assignees for applications by Ru JIA

The entities that hold a legal rights for patent applications filed by inventor JIA Ru:

Ru JIA from Jiangsu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

Mine drill, dust suction hood and dust removal device thereof

Integrated hole sealing device for loosening blasting and water injection of underground deep hole

InventorID:

2758331 ⎘