Akifumi Hiramatsu

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Kure, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lubricant for use in hot rolling of high chromium stainless steel
- Patent number 5,677,268
- Issue date Oct 14, 1997
- Nisshin Steel Co., Ltd.
- Kouji Omosako
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...