79033139
Dec 4, 2006
Aug 12, 2008
Mechanical separators for the cleaning and purification-of water, waste water and sewage and parts and fittings therefor
MachineryInstallations for the treatment of water, waste water and sewage, namely, membrane reactor systems and parts and fittings therefor; media for filtration and biological treatment of water, waste water, and sewage
Environmental Control ApparatusConstruction, repair and refurbishment of installations and apparatus for the treatment of water, waste water and sewage
Building Construction and Repair