77126665
Mar 9, 2007
Aug 2, 2011
Wastewater treatment and purification units, namely, systems for the treatment and purification of wastewater and effluent liquids comprised primarily of membrane filtration units, trash or septic or primary tanks, aerobic treatment units, filter beds, clarifiers, blowers, electrical panels, instrumentation, pipes and structural parts therefor, all for single house or cluster or community or commercial or municipal or industrial wastewater or effluent liquid treatment use only
Environmental Control Apparatus