74336153
Nov 30, 1992
Jul 12, 1994
electrostatic units for applying liquids to substrates; electrostatic units for removing fluid contaiminants from hydraulic fluid and lubricating oil
Electrical and Scientific Apparatusair cleaners and energy recovery heat exchangers for industrial and commercial use; mechanical dust collectors and parts therefore; air pickup and blower units for removing contaminated air from work sites and parts therefore
Environmental Control Apparatus