[Class : 11] Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes, Thermal, Equipment Of Heat Treatment, Equipment Of Hardening, Vat Of Hardening, Heating Appliances In Particular By Radiation, Convection, Induction Or Mixed Appliances, Heat Accumulators, Water Softening Apparatus And Installations, Hot Air Apparatus, Air Filtering Installations, Water Heaters, Heating Boilers, Conduits And Tubes Of Heating Of Boilers, Electric Heating Apparatus, Air Conditioning Apparatus, Air Conditioning Installations, Water Conduit Installations, Furnaces Except For The Furnaces For Experiments, Furnaces, Melting Furnaces, Cold Crucible, Furnaces Of Graphitization, Refining And Smelters Of Glasses, Of Special Silicates And Glasses; Heat Treatment Furnaces; Reheating Furnaces And In Particular Furnaces For Hot Rolling Mills, Bell Type Annealing Furnaces; Refrigerating Apparatus And Machines, Gas Scrubbing Apparatus, Gas Generators. Incinerators, Heat Pumps, Water Intake Apparatus, Nuclear Reactors, Sanitary Apparatus And Installations, Sterilizers, Refining Towers For Distillation, Luminous Tubes For Lighting, Refining Towers For Distillation, Coolers, Evaporators, Recycleurs,Unit Heater, Heat Exchangers, Exchanging Out Of Aluminum Brazed For The Cryogenic Processes, Calciners, Valves And Fittings.