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Tetuo Takeda
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Kimitsu, JP
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last 30 patents
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Patent Grant
Process for producing a high tension steel sheet product having an...
Patent number
RE31251
Issue date
May 24, 1983
Nippon Steel Corporation
Hajime Nakasugi
148 - Metal treatment
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Patent Grant
Process for producing a high tension steel sheet product having an...
Patent number
4,105,474
Issue date
Aug 8, 1978
Nippon Steel Corporation
Hajime Nakasugi
C21 - METALLURGY OF IRON