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| 1 | research of technology to keep river basins in harmony with the nature and technology for urban revitalization | 自然共生型流域圏・都市再生技術研究 | |||
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| 1 | research of technology to keep river basins in harmony with the nature and technology for urban revitalization | 自然共生型流域圏・都市再生技術研究 | |||