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Wataru SAKURAI
Sediment Disaster Prevention Technology Center, Kinki Regional Development Bureau, MLIT
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Ryo SAKAI
Sediment Disaster Prevention Technology Center, Kinki Regional Development Bureau, MLIT
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Hikoyuki GOTO
Kii Mountain District Sabo Office, Kinki Regional Development Bureau, MLIT
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Osamu KAJIWARA
Kii Mountain District Sabo Office, Kinki Regional Development Bureau, MLIT
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Kimihito SHIMONO
Kinki Regional Development Bureau, River Construction Works Division, MLIT
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Kenji EGUCHI
Kajima Corporation Co., Ltd.
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Masayuki MORITA
Kajima Corporation Co., Ltd.
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Junji ARAKAWA
Konoike Construction Co., Ltd.
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Yasuyuki OTSUKA
Taisei Corporation Co., Ltd.