Masayuki Ishihara

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making band plates deformed in section
- Patent number 5,115,660
- Issue date May 26, 1992
- Nisshin Steel Co., Ltd.
- Jun Kurobe
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...