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Darulihsan ABDUL HAMID
Department of Mechanical Engineering, Nagaoka University of Technology
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Shigeru NAGASAWA
Department of Mechanical Engineering, Nagaoka University of Technology
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Yasushi FUKUZAWA
Department of Mechanical Engineering, Nagaoka University of Technology
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Mitsuhiro MURAYAMA
Department of Mechanical Engineering, Nagaoka University of Technology
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Isamu KATAYAMA
Katayama Steel Rule Die Manufacturing Company Ltd.