Jung Woong Choi

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Damp-proof basement and method of construction
- Patent number 6,477,811
- Issue date Nov 12, 2002
- Jung Woong Choi
- E04 - BUILDING
Information Patent Grant
Damp-proof brick cover
- Patent number 6,032,429
- Issue date Mar 7, 2000
- Jung Woong Choi
- E04 - BUILDING