Masaru Nagao

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller-type straightening apparatus for H-beams
- Patent number 5,191,780
- Issue date Mar 9, 1993
- Kawasaki Steel Corporation
- Kazuo Ohmori
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...