Tsunehiro Itoh

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Hirakata, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method of simultaneously drawing a number of wire members
- Patent number 4,044,447
- Issue date Aug 30, 1977
- Nippon Seisen, Co., Ltd.
- Koichi Hamada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...