<p>A settling tank membrane (1) of polymeric (especially elastomeric) material, with a perforation (2) to provide gas permeability, has its permeable life lengthened by incorporation of a waste water biologically active inhibitor.</p>
申请公布号
AT473201(T)
申请公布日期
2010.07.15
申请号
AT20020796511T
申请日期
2002.12.14
申请人
CONTITECH VIBRATION CONTROL GMBH
发明人
MEIER, ERNST-AUGUST;GOMEZ-KERBER, GIANCARLO;MUCHOROWSKI, JANUSZ;KRAUSE, KARL-HEINZ;MERKMANN, GERHARD
