Shin-ichi Nigorikawa

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Saitama, JP

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Patents Grantslast 30 patents

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Exhaust purifying device and method of producing the same
- Patent number 5,302,355
- Issue date Apr 12, 1994
- Sankei Giken Kogyo Kabushiki Kaisha
- Toshikazu Fujikura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...