gases and gas mixtures; liquefied gases and liquefied gas mixtures; refrigerants and refrigerating preparations; cooling liquids for refrigerators for refrigerating apparatus, for air conditioning apparatus and for cooling apparatus
Chemicalsapparatus and installations for lighting heating, steam generating, cooking, refrigerating, freezing, drying, ventilating, air conditioning, water supply and sanitary purposes; parts and fittings for all the aforesaid goods
Environmental Control Apparatus