发明名称 Method for improving the ecological state of a water basin and its bottom sediment
摘要 The present invention relates to a method for improving the ecological state of a water basin such as a lake. In the method according to the invention the bottom sediment is worked mechanically to intermix its different layers.
申请公布号 AU6227296(A) 申请公布日期 1997.02.05
申请号 AU19960062272 申请日期 1996.06.28
申请人 KALLE MATTI LAPPALAINEN 发明人 KALLE MATTI LAPPALAINEN
分类号 B09C1/10;E02B3/02 主分类号 B09C1/10
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