74270847
Apr 30, 1992
Jul 4, 1995
fluid filtering units for industrial uses comprising filter elements, filter housings, filter assemblies and component parts thereof for industrial use, filter assembly relief valves, filter cartridges, filter manifolds, filters having microporous layers, membrane filters, semi-permeable ultrafiltration modules, dialyzers, coalescers, cyclone and vortex separators, oil removal filters, bag filter housings for liquid cartridges as components of industrial ultrafiltration disposal and waste liquid purification units
Environmental Control Apparatus