Hsing-Ta Hsieh

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Kaohsiung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic forming device for sheet of material
- Patent number 7,389,664
- Issue date Jun 24, 2008
- Metal Industries Research & Development Centre
- Tung-Chen Cheng
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...