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N. Ichimiya
Research Center for Extreme Materials, Osaka Univ.
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S. Endo
Research Center for Extreme Materials, Osaka Univ.
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S. Sasaki
Faculty of Engineering. Gifu Univ.
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H. Shimizu
faculty of Engineering. Gifu Univ.
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K. Kodo
Faculty of Integrated Arts and Tokushima Univ.