[Class : 11] Apparatus For Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes; Water Purification Installations; Water Conduit Installations; Water Supply Installations; Water Distribution Installations; Desalination Plants; Purification Installations For Sewage; Distilling Units; Ovens; Hot Water Storage Tanks (Include...