FY2011
Volleyball match with Geotech labs in Kanto Region
November 16, 2011

関東地盤研対抗バレーボール大会

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FY2011
3.11 Damage survey of Fujinuma dam in Fukushima Pref.
November 16, 2011

3.11藤沼ダムの被害調査

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