Tatsunori Kobayashi

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roll for mill and method of making a roll for a mill
- Patent number 4,961,261
- Issue date Oct 9, 1990
- Nippon Steel Corporation
- Tatsuo Kojima
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...