73197752
Dec 22, 1978
Oct 6, 1981
Radiators and Convectors for Heating and Cooling of Closed Spaces, Air Heaters and Conditioners, Heaters for Swimming Pools, Heat Exchangers for Heating or Cooling Liquids or Gases, Accumulators for Storing Thermal Energy, Generators of Hot Water, Superheated Water and Steam; Parts of All the Cited Goods
Environmental Control Apparatus