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Information System Products Division, Hitachi Cable, Ltd., Hitachi, Ibaraki 319-1418, Japan | 論文著者
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Maru Koichi
Information System Products Division, Hitachi Cable, Ltd., Hitachi, Ibaraki 319-1418, Japan
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Abe Yukio
Information System Products Division, Hitachi Cable, Ltd., Hitachi, Ibaraki 319-1418, Japan