Hajime Watanabe

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Yokosuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multistage rolling mill with flatness control function
- Patent number 4,494,396
- Issue date Jan 22, 1985
- Ishikawajima-Harima Jukogyo Kabushiki Kaisha
- Toshio Iwanami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...