74117740
Nov 26, 1990
Dec 6, 1994
evaporators of all types for air, gas and liquid cooling in refrigeration service; shell vellels; namely, separators, accumulators and receivers, used in refrigeration service; valves as used in refrigeration service; freezers and parts thereof; chillers for water and other liquid cooling and parts thereof; ice making apparatus and parts thereof; air conditioners and parts thereof; heating exchangers and parts thereof; heating and ventilating units and parts thereof; humidifiers and parts thereof
Environmental Control Apparatuscustom design of heating, cooling, humidifying and refrigeration systems for others
Computer and Scientific