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Roll polishing apparatus
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Patent number 8,087,448
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Issue date Jan 3, 2012
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IHI Corporation
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Katsumi Nakayama
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B24 - GRINDING POLISHING
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Twin roll caster
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Patent number 8,028,740
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Issue date Oct 4, 2011
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IHI Corporation
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Hiroyuki Otsuka
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B22 - CASTING POWDER METALLURGY
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Strip casting
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Patent number 6,820,680
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Issue date Nov 23, 2004
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Castrip, LLC
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Hisahiko Fukase
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B22 - CASTING POWDER METALLURGY
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Twin roll continuous caster
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Patent number 5,871,039
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Issue date Feb 16, 1999
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Ishikawajima-Harima Heavy Industries Co., Ltd.
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Shiro Osada
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B22 - CASTING POWDER METALLURGY
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Twin roll continuous caster
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Patent number 5,816,311
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Issue date Oct 6, 1998
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Ishikawajima-Harima Heavy Industries Company Limited
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Shiro Osada
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Twin roll continuous caster
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Patent number 5,810,070
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Issue date Sep 22, 1998
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Ishikawajima-Harima Heavy Industries Company Limited
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Shiro Osada
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B22 - CASTING POWDER METALLURGY
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Twin roll continuous caster
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Patent number 5,720,335
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Issue date Feb 24, 1998
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Ishikawajima-Harima Heavy Industries Company Limited
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Shiro Osada
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Apparatus for pouring molten metal
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Patent number 4,821,790
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Issue date Apr 18, 1989
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Yutaka Tsuchida
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B22 - CASTING POWDER METALLURGY
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