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Scrap melting process
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Issue date Apr 25, 2000
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NKK Corporation
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Tatsuro Ariyama
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C21 - METALLURGY OF IRON
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3377157
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Patent number 3,377,157
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C21 - METALLURGY OF IRON
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3323904
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Patent number 3,323,904
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C21 - METALLURGY OF IRON
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3157492
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Patent number 3,157,492
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C21 - METALLURGY OF IRON
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2814558
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C21 - METALLURGY OF IRON
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C21 - METALLURGY OF IRON
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2279399
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Patent number 2,279,399
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Issue date Apr 14, 1942
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C21 - METALLURGY OF IRON