73305840
Apr 14, 1981
Nov 1, 1983
Solar, Gas and Electric Heaters for Commercial and Domestic Use; Air Conditioning Units; Electric and Gas-Fired Water Tanks for Domestic and Commercial Use; Gas and Electrical Boilers for Domestic and Commercial Use; Heat Accumulators; Solar Collectors for Solar Hot Water and Space Heaters; Parts for Aforesaid Goods
Environmental Control Apparatus