75056079
Feb 12, 1996
Jul 27, 1999
domestic, commercial, municipal and industrial potable water, sewage, sewage effluent, waste water, liquids, fluids and air disinfection units which use ultra violet rays alone or in combination with oxidizing agents
Environmental Control Apparatusinstallation of domestic, commercial, municipal and industrial potable water, sewage effluent, waste water, liquids, fluids and air disinfection units which use ultra violet rays alone or in combination with oxidizing agents
Building Construction and Repair