[Class : 11] Heating, Steam Generating And Thermochemical Reaction Apparatus; Gas Generators For Industrial Utility Gases, In Particular Hydrogen And Carbon Monoxide; Steam Reformers; Gas Purifiers; Gas Separators; Fluid And Gas Heaters And Coolers, And Heat Regenerators.[Class : 37] Design And Construction, Repair And Servicing Of Industrial Apparatus And Installations, In Particular Large Scale Chemical And Gas Technology Units And Components Therefor, In Particular Gas Reactors And Reformers, Separators And Units For Separating Gases, Apparatus For Generating Synthetic Gases, Gas Generators; Construction Project Management For Large Scale Gas Apparatus And Synthesis Gas Installations.[Class : 42] Engineering Services, Relating To Technical Planning And Construction, Engineering, Namely Installation Calculations And Design, In The Field Of Industrial Gas Treatment And Gas Generation; Development And Conducting Of Trials In Connection With Industrial Apparatus And Installations, In Particular Gas Technology Units, And In Relation To The Components Therefor, In Particular In Connection With Gas Producers And Reaction Apparatus For Gases, With Gas Separation And Gas Treatment Units, Synthesis Gas Installations And Gas Generators.