Yoshitomo Kanazawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Die set
- Patent number 5,600,992
- Issue date Feb 11, 1997
- Hidaka Seiki Kabushiki Kaisha
- Yoshitomo Kanazawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...