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Manufacturing method of side panel
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Patent number 9,321,091
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Issue date Apr 26, 2016
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Honda Motor Co., Ltd.
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Takashi Tsuchiya
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hot bulge forming die apparatus
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Patent number 8,408,034
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Issue date Apr 2, 2013
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Honda Motor Co., Ltd.
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Yoshimitsu Ishihara
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Bulging method and apparatus
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Patent number 7,661,283
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Issue date Feb 16, 2010
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Honda Motor Co., Ltd.
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Izuru Hori
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...