Suzhou
China
2
2022-06-23
The entities that hold a legal rights for patent applications filed by inventor LI Chenchao:
Chenchao LI from Suzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and device for milling large-diameter aspheric surface by using splicing method and polishing method
#2 | 2022-06-09Method for numerical control milling, forming and polishing of large-diameter aspheric lens
5429549 ⎘