Zhouwei Yu

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Concentrated metalworking fluid and metalworking process
- Patent number 9,920,277
- Issue date Mar 20, 2018
- Dow Global Technologies LLC
- Jiangbo Ma
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
Concentrated MetalWorking Fluid and MetalWorking Process
- Publication number 20150284657
- Publication date Oct 8, 2015
- Jiangbo Ma
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...