77890457
Dec 10, 2009
Aug 2, 2011
Gas and liquid entrainment scrubbers; chemical processing machine parts, namely, fractional distillation tower internal parts, namely, trays, support plates, and packing materials of metal, plastic, or ceramic for use as filler bodies in fractional distillation columns and towers during chemical or physical processes; and fractional distillation towers and columns of ceramic, brick or other non-corrosive materials
Environmental Control Apparatus