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Tsuyoshi IGARI
Dept. Mech. Eng., College of Nihon Univ., Graduate Student
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Masaru ARAKAWA
Dept. Mech. Eng., College of Nihon Univ., Graduate Student
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Makoto KOBAYASHI
Dept. Mech. Eng., College of Nihon Univ., Graduate Student
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Akira OGAWA
Dept. Mech. Eng., College of Nihon Univ., Graduate Student