Chengdu
China
2
2020-07-23
The entities that hold a legal rights for patent applications filed by inventor DU Lin:
Lin DU from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
External cooling MQL manipulators and machine tools and lubrication method using machine tools
#2 | 2020-04-23Adjustable ultrasonic micro-jet nozzle array with minimal quantity lubrication
2706165 ⎘