DAQING
China
2
2019-05-23
The entities that hold a legal rights for patent applications filed by inventor WANG CHIJIA:
CHIJIA WANG from DAQING, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and device for preparing high strength and durable super-hydrophobic film layer on inner wall of elongated metal tube
#2 | 2019-05-23Long-acting super-hydrophobic coating resistant to water pressure impact and preparation method thereof
2508079 ⎘