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Masanobu TSUKAMOTO
Shizuoka Univ. Dept. of Mechanical Engineering
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Yoshihiro SAGISAKA
Hamamatsu Technical Support Center Industrial Research Institute of Shizuoka Pref.,
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Itaru ISHIBASHI
Sumico Lubricant Co., Ltd.,
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Toshinari NAKAKURA
Sumico Lubricant Co., Ltd.,
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Tamotsu NAKAMURA
Shizuoka Univ. Dept. of Mechanical Engineering
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Kunio HAYAKAWA
Shizuoka Univ. Dept. of Mechanical Engineering