Akio Shizuno

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Omihachiman, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin sheet punching device
- Patent number 6,688,201
- Issue date Feb 10, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tensaburo Dokyu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...