Sichuan
China
3
2018-12-06
The entities that hold a legal rights for patent applications filed by inventor Wang Xia:
Xia Wang from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Vertical high speed testing device for spiral seal of cone bit bearing
#2 | 2018-12-06Horizontal high speed testing device for spiral seal of horizontal cone bit bearing
#3 | 2018-02-08Single-groove and short-tail pulling rivet and erection method thereof
2365336 ⎘