Sok Ku YUN

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Energy-saving central heating and hot water supply system
- Patent number 9,175,864
- Issue date Nov 3, 2015
- GU-SUNG ENGINEERING & CONSTRUCTION CO., LTD.
- Sok Ku Yun
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
ENERGY-SAVING CENTRAL HEATING AND HOT WATER SUPPLY SYSTEM
- Publication number 20120227953
- Publication date Sep 13, 2012
- GU-SUNG ENGINEERING & CONSTRUCTION CO., LTD.
- Sok Ku YUN
- F24 - HEATING RANGES VENTILATING