Hunan
China
3
2023-04-20
The entities that hold a legal rights for patent applications filed by inventor Li Jun:
Jun Li from Hunan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and system for extracting characteristic signal from power frequency signal and file management method therefor
#2 | 2021-12-23METHOD FOR MODIFICATION OF POLYPETIDE AND USES
#3 | 2017-08-10Engine And Transmission Spacer With Integrated Hydraulic Tank
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