Masahi Oikawa

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing corrugated metal sheeting and method of produci...
- Patent number 5,306,890
- Issue date Apr 26, 1994
- Nippon Steel Corporation
- Katsuhiro Minamida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR