73370193
Jun 17, 1982
Dec 20, 1983
Commercial and Industrial Refrigeration, Air Conditioning and Heating Units Designed to Be Connected to Pipes, Tubes, Ducts, Plenums, or the Like to Supply Heat or Cooling to a Space to Be Heated or Cooled, Such as a Room, a Food Storage Space, a Food Display Space, a Food Processing Space, an Industrial Processing Space, a Chiller, or the Like
Environmental Control Apparatus