[Class : 11] Apparatus For Generating Olefin And By Products, In Particular For Extracting Ethyl And Acetic Acid, In Particular By Converting Ethane And Oxygen, In Particular By Thermal And/Or Catalytic Processes [Chemical Processing Equipment]; Evaporators, In Particular For Generating Water Vapour; Heat Exchangers, Other Than Parts Of Machines, In Particular For Heating Or Cooling Gases Or Liquids, In Particular With Quenching Tanks; Reactors, In Particular For Gas Gas Reactions, In Particular For Thermal And/Or Catalytic Reactors; Gas Cleaners And Purifiers, In Particular Gas Scrubbers, In Particular Chemical Or Physical Gas Scrubbers; Separators, In Particular For Gas Purification, For Gas Scrubbing Or For Separating Gases, In Particular By Adsorption Using Pressure, Temperature And/Or Vacuum; Distillation Apparatus, In Particular Rectification Columns; Refrigerating Machines; Installations For Generating Olefin And By Products Containing One Or Several Of The Aforesaid Apparatus [Chemical Processing Equipment].[Class : 42] Engineering Services, In Particular Technical Calculations, Planning And Design Services, Development, Inspection Or Measurement Evaluation Of Installations And/Or Apparatus For Generating Olefin And By Products, In Particular For Ethyl And Acetic Acid, In Particular By Thermal And/Or Catalytic Processes, In Particular By Converting Ethane And Oxygen.