73408490
Jan 7, 1983
Sep 18, 1984
Biological Wastewater Treatment Aerators; Wastewater Treatment Systems Comprising Pretreatment Units, Biological Treatment Units, Clarification and Sedimentation Tanks, Advanced Treatment Units, Motors, Pumps and Pipelines; Systems for the Breeding, Rearing, Maintenance and Feeding of Fish Comprising Fish Tanks, Fish Wastewater Treatment Units, Pumps and Pipelines; Biological Sludge Treatment Systems Comrpising Sludge Thickening Units, Clarification Tanks, Advanced Treatment Units, Motors, Pumps and Pipelines
Environmental Control ApparatusConsulting, Design and Planning Services in the Field of Installations for Breeding, Rearing, Maintenance and Feeding of Fish, Installations for Biological and Other Means of Wastewater Treatment, Fish Wastewater Treatment and Biological Sludge Treatment
Computer and Scientific