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Hiroyuki UEMATSU
Grad. Sch. Engng. Sci., Div. Mech. Sci., Osaka Univ.
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Yasushi AKAZAWA
The Hyogo Assistive Technology Research & Design Institute, Hyogo Rehab. Ctr.
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Masahiro TODOH
Grad. Sch. Engng. Sci., Div. Mech. Sci., Osaka Univ.
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Masao TANAKA
Grad. Sch. Engng. Sci., Div. Mech. Sci., Osaka Univ.