Cheng-Chien Hsu

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Hsi Chih, TW

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Patents Grantslast 30 patents

Information Patent Grant
Supporting frame structure
- Patent number 7,384,020
- Issue date Jun 10, 2008
- Amtek System Co., Ltd.
- Cheng-Chien Hsu
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...