73224392
Jul 23, 1979
Apr 21, 1981
Plastic Tubular Plumbing Supplies and Specialty Plumbing Items, Particularly Waste Disposal Pipes and Connectors Therefor, Including Traps for Sinks and Washing Machines, Strainer Sink Discharge Assemblies, Lavatory Discharge and Plug Assemblies, and Bathtub Drain Components
Environmental Control Apparatus