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야생 자연
실내 분재

Physiologically active substances

About oak trees

Best medicine for oak trees is..
- Arbian Journal of ..
- Speak of an oak tree

About the Hwangchil Tree

All N B  Organic Extraction Plant  : 126 Hagung-ro, Ucheon-myeon, Hoengseong-gun, Gangwon-do

Organic  Research Institutet  :  Daeheung-ro, Dongnam-gu, Cheonan-si, Chungcheongnam-do

All N B Bio   Research Institute  :  Guui-dong, Gwangjin-gu, Seoul

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ons-jo@hanmail.net

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