73476323
Apr 19, 1984
Apr 2, 1985
Fluid-Moving Pumps which Produce, without Moving Parts and without Requiring Electricity for Power, a High Velocity/Large Volume Movement of Air, Gas or Vapor from a Low Pressure/Low Volume Source Thereof for Use in Alleviating Air Pollution Problems, Explosive, Toxic and Obnoxious Fumes, Dust, High Temperatures and Humidity, Poorly Ventilated Areas, and in Atomizing and Aid Conveyors
Environmental Control ApparatusEngineering Services in the Design, Application and Maintenance of Ventilation Systems for Use in Alleviating Air Pollution Problems, Explosive, Toxic and Obnoxious Fumes, Dust, High Temperatures and Humidity, Poorly Ventilated Areas, and in Atomizing and Aid Conveyors
Computer and Scientific