Akihiro Nakama

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Ooita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cooling hot steel plate and sheet
- Patent number 4,132,393
- Issue date Jan 2, 1979
- Nippon Steel Corporation
- Shoji Nakamura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...