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Yoshiharu MUTOH
Nagaoka Univ. of Technology, Dept. of Mech. Engng
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Jin quan XU
Nagaoka Univ. of Technology, Dept. of Mech. Engng
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Yukio MIYASHITA
Nagaoka Univ. of Technology, Dept. of Mech. Engng
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Daisuke HIGUCHI
Nagaoka Univ. of Technology, Dept. of Mech. Engng