Hejie Li

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Luoyang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Treating method and equipment for coke-cooling wastewater
- Patent number 7,419,608
- Issue date Sep 2, 2008
- East China University of Science and Technology
- Hualin Wang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
TREATING METHOD AND EQUIPMENT FOR COKE-COOLING WASTEWATER
- Publication number 20070262032
- Publication date Nov 15, 2007
- Hualin Wang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...