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Shinichi TOSA
JAPAN CONSERVATION ENGINEERS & CO., LTD.
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Tatsuya SHIBASAKI
JAPAN CONSERVATION ENGINEERS & CO., LTD.
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Yusuke MURAI
JAPAN CONSERVATION ENGINEERS & CO., LTD.
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Nobuya HAGIWARA
Forestry Agency Kanto Regional Office
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Takashi OKAMOTO
Forestry and Forest Products Research Institute
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Hikaru OSAWA
Forestry and Forest Products Research Institute