Tsai-Shen Wang

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Corrugated metal sheet member fabrication system
- Patent number 8,234,900
- Issue date Aug 7, 2012
- Tsai-Shen Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...