Haruo Kozono

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of rolling railroad-rails and steels of similar shape by uni...
- Patent number 4,344,310
- Issue date Aug 17, 1982
- Nippon Steel Corporation
- Haruo Kozono
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...