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Keiji TAMURA
MLIT, Kinki Division, Rokko Sabo Office
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Taro UCHIDA
MLIT, National Institute for Land and Infrastructure Management
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Tetsuro MORIHIGASHI
MLIT, Kinki Division, Rokko Sabo Office
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Takeshi HINO
MLIT, Kinki Division, Rokko Sabo Office
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Yasukazu KOSUGE
Japan Conservation Engineers & Co., Ltd.,
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Atsuhiko KINOSHITA
Public Works Research Institute