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Exchangeable continuous casting nozzle
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Patent number 6,568,571
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Issue date May 27, 2003
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Tokyo Yogyo Kabushiki Kaisha & Akechi Ceramics Kabushiki Kaisha
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Mitsuru Ando
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B22 - CASTING POWDER METALLURGY
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Molten steel pouring nozzle
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Patent number 4,989,762
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Issue date Feb 5, 1991
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Akechi Ceramics Co., Ltd.
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Mitsuru Ando
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B22 - CASTING POWDER METALLURGY
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Molten steel pouring nozzle
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Patent number 4,854,487
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Issue date Aug 8, 1989
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Akechi Ceramics Co., Ltd.
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Mitsuru Ando
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B22 - CASTING POWDER METALLURGY