Takatoshi Amakawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Corner reduction device equipped with corner rolls, control device...
- Patent number 5,613,390
- Issue date Mar 25, 1997
- Kawasaki Steel Corporation
- Takashi Ishikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...