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*Takahiro Jinushi
Hitachi Powdered Metals Co., Ltd.
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Narutoshi Murasugi
Hitachi Powdered Metals Co., Ltd.
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Zenzo Ishijima
Hitachi Powdered Metals Co., Ltd.
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Kei Ishii
Hitachi Powdered Metals Co., Ltd.
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Author's Organization:Hitachi Powdered Metals Co., Ltd.