Masaru Izawa

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot rolling method of steel products and hot rolling roll for steel...
- Patent number 5,928,441
- Issue date Jul 27, 1999
- Sumitomo Metal Industries, Ltd.
- Masaru Izawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...