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Hiroyuki TOBITA
Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI)
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Hajime UTSUGI
Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI)
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Mitsutoshi KITAO
Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI)
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Masazumi Kayama
Hokkaido Research Center, Forestry and Forest Products Research Institute (FFPRI)
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Yutaka MARUYAMA
FFPRI