79027854
May 10, 2006
Jun 12, 2007
Mineral substances in the nature of filtering materials in radium removal in the water treatment industry; reagents in the nature of minerals for the treatment and purification of water; chemicals for use in the treatment and filtering of water, namely, treated residues from the alumina production process for use in the purification or rehabilitation of aqueous solutions, namely, drinking water
ChemicalsIndustrial water purifying apparatus; tap-water purifying apparatus; water filtering units for commercial or industrial use; water filters; filtering units for water supply and water filtering; water treatment equipment, namely, cartridge filtration units, chemical sterilization units, reverse osmosis filtration units, and ultraviolet sterilization units
Environmental Control Apparatus