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Iton CHOU
Research Laboratory, Ishikawajima-Harima Heavy Industries Co., Ltd.
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Keiji KAMADA
Research Laboratory, Ishikawajima-Harima Heavy Industries Co., Ltd.
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Tadashi KIMURA
Research Laboratory, Ishikawajima-Harima Heavy Industries Co., Ltd.
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Shoichi SAEKI
Public Works Research Center
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Kazuo YAMASHIRO
Okinawa Prefecture