Sakuhiko Kumade

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roll of winding equipment in rolling factory
- Patent number 5,944,644
- Issue date Aug 31, 1999
- Nippon Steel Hardfacing Co., Ltd.
- Toshiyuki Katayama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...