Xi'an
China
2
2026-04-30
Pan DOU from Xi'an, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
ULTRASONIC METHOD AND SYSTEM FOR SIMULTANEOUSLY MEASURING COATING AND LUBRICATION FILM THICKNESSES
ULTRASONIC METHOD AND SYSTEM FOR SIMULTANEOUSLY MEASURING LUBRICATION FILM THICKNESS AND LINER WEAR OF SLIDING BEARING
5837802 ⎘