Ki Hwan CHUNG

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Chungcheongbuk-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Membrane filter cleaning apparatus for waste-water treatment process
- Patent number 9,844,755
- Issue date Dec 19, 2017
- YONGJIN ENVIRONMENT CO., LTD.
- Ki Hwan Chung
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION MEMBRANE CARTRIDGE-CLEANING APPARATUS FOR SEWAGE TREATME...
- Publication number 20150202573
- Publication date Jul 23, 2015
- YONGJIN ENVIRONMENT CO., LTD.
- Ki Hwan CHUNG
- B08 - CLEANING