Yoshiyuki Hisamatsu

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for press-cutting various patterns
- Patent number 4,782,998
- Issue date Nov 8, 1988
- Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho
- Takehiko Nishikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...