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Tsunehisa Ueda
Japan Tree Doctor Association, Fukuoka Branch
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Shin-ichi Shiraishi
Japan Tree Doctor Association, Fukuoka Branch
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Yukihiro Maeda
Japan Tree Doctor Association, Fukuoka Branch
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Masayuki Tsuzan
Fukuoka Landscape and Construction Association
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Hironobu Matake
Fukuoka Landscape and Construction Association