73442276
Sep 2, 1983
Jun 9, 1987
WATER AND WASTE WATER TREATMENT CHEMICALS, NAMELY, CORROSION INHIBITORS, OXYGEN SCAVENGERS, PH CONTROL AGENTS, COAGULANTS, DEHYDRATING AGENTS FOR SLUDGE, SLIME CONTROL AGENTS, ION EXCHANGE RESIONS, CHELATING AGENTS FOR PREVENTING METAL IONS FROM PRECIPITATING, ANTIFOAMING AGENTS, DESALTING AGENTS FOR CRUDE OIL, DUST BLOW-AWAY PREVENTATIVES, AND ADSORBENTS FOR DEHYDRATION
ChemicalsFILTERING UNITS FOR DRINKING WATER AND FOR INDUSTRIAL USES, FOUNTAINS, WASTE WATER AND SEWAGE TREATMENT PLANTS, AND WATER SOFTENING UNITS FOR DRINKING WATER ANDINDUSTRIAL USES
Environmental Control Apparatus