Chien-Hua Chen

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Sanchong, TW

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Patents Grantslast 30 patents

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- Patent number D524256
- Issue date Jul 4, 2006
- Board-Tech Electronic Company, Ltd.
- Chien-Hua Chen
- D13 - Equipment for production, distribution, or transformation of energy
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- Patent number D522346
- Issue date Jun 6, 2006
- Board-Tech Electronic Company, Ltd.
- Chien-Hua Chen
- D08 - Tools and hardware