Chang-Yun Yong

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Banciao City, TW

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,001,090
- Issue date Feb 21, 2006
- Bao-Shen Liu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20050152736
- Publication date Jul 14, 2005
- Bao-Shen Liu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES