SHU-MEI CHUANG

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 9,662,698
- Issue date May 30, 2017
- Shu-Mei Chuang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20160089707
- Publication date Mar 31, 2016
- SHU-MEI CHUANG
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...