Kiyoshi Tanehashi

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of cooling hot-rolled steel plate
- Patent number 4,785,646
- Issue date Nov 22, 1988
- Nippon Steel Corporation
- Hiroshi Uekaji
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...