73252365
Mar 3, 1980
Aug 10, 1982
Refrigeration Systems for Industrial and Commercial Use Comprised of Compressors, Condensors, Evaporators, and Electrical Controls; Suction Accumulators which Separate Liquid from Vapor Being Conveyed to a Compressor which Is a Component of Industrial and Commercial Refrigerating Systems; Air-Conditioning Systems for Industrial and Commercial Use Comprised of Compressors, Condensors, Evaporators, and Electrical Controls
Environmental Control Apparatus