[Class : 11] Apparatus For Heating, Steam Generating, Cooking, Refrigerating, Drying And Ventilating; 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, Steam Generating Apparatus, Burners For Industrial Purposes, Furnace Boilers, Boiler Tubes And Valves; Industrial Furnaces, Calciners, Valves And Fittings.[Class : 37] Building Construction; Repair; Maintenance, Installation Services For Factories, Machine Tools, Motors, Electrical, Weighing And Measuring Instruments, For Data Processing Equipment And Computers, For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply Apparatus, Airconditioning System Installation And Repair, Heating Equipment Installation And Repair, Installation And Repair Of Furnaces And Furnaces.[Class : 42] Evaluation, Estimations, Researches And Reports In The Scientific And Technical Fields Namely Engineering Expertises, Engineering Services (Studies, Surveying); Design And Development Of Computer Hardware And Software, Engineering Services (Studies, Surveying), Engineering Services, Chemical Analysis, Councils In Mechanical Engineering; Industrial Design, Material Testing, Technical Project Studies. Surveying, Mechanical Research, Technical Research, Design And Research Services Related Thereto, Supplied By Engineers, Experts And Councils As Regards Evaluation, Evaluation, Research Or Construction In The Fields Of Chemistry, Metallurgy. Iron Metallurgy, Physics, Mechanics, Electricity, Electronics, Data Processing, Thermics, Cryogenics And Energy.