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Hiroshi Yamane
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Kimitsu, JP
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last 30 patents
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Patent Grant
Method for rolling shape steel having flange and web, and rolling m...
Patent number
6,055,837
Issue date
May 2, 2000
Nippon Steel Corporation
Taneharu Nishino
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...