73021560
May 16, 1974
Jan 2, 1979
BAG COLLECTING UNITS, MECHANICAL SEPARATION AND CLASSIFICATION UNITS, MECHANICAL GAS SCRUBBER UNITS, AND PARTS THEREFOR
MachineryPOLLUTION AND EMISSION CONTROL UNITS, THERMAL OXIDIZING UNITS, SOLID WASTE-RESOURCE RECOVERY UNITS, INCINERATION UNITS, HEATING UNITS, COMBUSTION/ENERGY RECOVERY UNITS, RADIAL FLOW GAS SCRUBBER UNITS, NONMECHANICAL SEPARATION AND CLASSIFICATION UNITS, AND PARTS THEREFOR
Environmental Control Apparatus