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https://dbsj.org/en/news/news_20200121/ Prof. Masaru Kitsuregawa, the President of DBSJ, visited China Computer Federation (CCF) | The... Apr 16, 2020 - Prof. Masaru Kitsuregawa, the President of DBSJ, visited China Computer Federation (CCF) on January 11, 2020, […] china computer federationmasaru kitsuregawathe presidentprofvisited