Meiyan LI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method and application of the multicomponent composite...
- Patent number 10,934,612
- Issue date Mar 2, 2021
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Bin Han
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR IMPROVING ANTI-FRICTION AND ANTI-WEAR PROPERTIES OF SUBS...
- Publication number 20240417859
- Publication date Dec 19, 2024
- China University of Petroleum (East China)
- Bin HAN
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PREPARATION METHOD AND APPLICATION OF THE MULTICOMPONENT COMPOSITE...
- Publication number 20200362448
- Publication date Nov 19, 2020
- Bin HAN
- B22 - CASTING POWDER METALLURGY