Himmsen Esco Co., Ltd.

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Insulation system of a building wherein vertical air-flow zones div...
- Patent number 6,408,582
- Issue date Jun 25, 2002
- Himmsen Esco Co., Ltd.
- Shang Kooun Shim
- F24 - HEATING RANGES VENTILATING