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Bending method and bending apparatus
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Patent number 6,161,408
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Issue date Dec 19, 2000
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Komatsu Ltd.
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Toshiyuki Ooenoki
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bending method and bending apparatus
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Patent number 6,003,353
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Issue date Dec 21, 1999
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Komatsu, Ltd.
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Toshiro Ootani
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bending machine
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Patent number 5,899,103
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Issue date May 4, 1999
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Komatsu, Ltd.
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Toshiyuki Ooenoki
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Metal sheet bending machine
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Patent number 5,531,087
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Issue date Jul 2, 1996
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Kabushiki Kaisha Komatsu Seisakusho
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Hiroyuki Kitabayashi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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