Beijing
China
3
2020-08-13
The entities that hold a legal rights for patent applications filed by inventor DAI Junyi:
Junyi DAI from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Rolling element and transport apparatus
#2 | 2020-05-07ROLLING ELEMENT AND TRANSPORT APPARATUS
#3 | 2019-08-08ROLLING ELEMENT AND TRANSPORT APPARATUS
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