Gansu
China
3
2020-05-28
The entities that hold a legal rights for patent applications filed by inventor GUO Yu:
Yu GUO from Gansu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Device for reducing pressure fluctuation of pressure filter frame and pressure filter
#2 | 2020-05-21CTA solvent exchanging method
#3 | 2019-10-03Test device and test method for rotary pressurized filter and method for designing filter
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