79034658
Jun 15, 2006
May 6, 2008
Water purification units and installations; fixed or moveable units for water treatment, namely, water purification, clarification, settling and decantation; waste water purification treatment units; sludge treatment units for dewatering sludge; fixed or moveable water filtering units for purifying urban and industrial wastewater; apparatus, devices and installations for water purification, namely, activated sludge tanks; fixed or moveable units and installations for water disinfection and sludge disinfection; fixed or moveable units and installations for water treatment by ultraviolet rays, namely, ultraviolet sterilization units; ultraviolet lamps not for medical use
Environmental Control Apparatus