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BokmålTsuguhiko KOZUKA
Japan| Competition | City | Date | Roles | |
|---|---|---|---|---|
| 1 | Kanto Regional Championships 2011 | Gunma | 2011-10-14 | Referee (Junior ladies, Basic novice B girls) |
| 2 | Winter Universiade 2009 | Harbin | 2009-02-21 | Judge (Senior men) |
| 3 | Cup of China 2005 | Beijing | 2005-11-02 | Judge (Senior ladies, Senior men) |