Ryohei Konose

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rolling mill and rolling method and rolling equipment
- Patent number 6,286,354
- Issue date Sep 11, 2001
- Hitachi, Ltd.
- Toshiyuki Kajiwara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...