Sukebumi Tsumura

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of widthwise rolling of rolled material and apparatus therefor
- Patent number 4,387,586
- Issue date Jun 14, 1983
- Hitachi, Ltd.
- Hiroshi Awazuhara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...