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Hot rolled plate joining apparatus
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Patent number 6,257,812
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Issue date Jul 10, 2001
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Shikawajima-Harima Heavy Industries Co., Ltd.
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Nobuhiro Tazoe
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Rolling mill
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Patent number 4,539,834
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Issue date Sep 10, 1985
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Toshio Iwanami
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Rolling process
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Patent number 4,365,496
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Issue date Dec 28, 1982
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Ishikawajima-Harima Jukogyo Kabushiki Kaisha
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Hiroyuki Shiozaki
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...