He-qin Li

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Hefei Anhui, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ultrahard multilayer coating comprising nanocrystalline diamond and...
- Patent number 8,007,910
- Issue date Aug 30, 2011
- City University of Hong Kong
- Wenjun Zhang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Ultrahard multilayer coating comprising nanocrystalline diamond and...
- Publication number 20090022969
- Publication date Jan 22, 2009
- City University of Hong Kong
- Wenjun Zhang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...