Sang-Jun Kim

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Gyeonnggi-do, JP

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Patents Applicationslast 30 patents

Information Patent Application
Dualduplexer having matrix structure and method for forming the same
- Publication number 20070115863
- Publication date May 24, 2007
- KTFreetel Co. Ltd.
- Tae-Won Seo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE