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*Takaaki Fujimoto
Hokkaido Forest Products Research Institute
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Miki Nei
Hokkaido Forest Products Research Institute
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Hisashi Akutsu
Hokkaido Forest Products Research Institute
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Kazuhito Kita
Hokkaido Forestry Research Institute
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Kazuko Uchiyama
Hokkaido Forestry Research Institute
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Makoto Kuromaru
Hokkaido Forestry Research Institute