About KOHATA SUSUMU
About 八代工高専
About HARUSAKI KOZUE
About 八代工高専
About YAMAMOTO HIDETO
About ナンユー
About TANEMURA KOHEI
About 八代工高専
About 水環境学会誌
About water purification
About Waterworks engineering and water treatment in general
About 炭
About 簡易
About 浄水器
About 試作
About 竹酢液
About 殺菌効果