Jin Yuansheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Formulation which creates protection layers on the metallic frictio...
- Patent number 8,283,297
- Issue date Oct 9, 2012
- Yuansheng Jin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
FORMULATION WHICH CREATES PROTECTION LAYERS ON THE METAL SURFACE AN...
- Publication number 20100173810
- Publication date Jul 8, 2010
- Jin Yuansheng
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...