[Class : 9] Measuring, Switching, Checking (Supervision) Regulating And Control Units And Equipment For Gases And/Or Liquids, In Particular In Relation To Flow Rates Or In Relation To Pressure And Temperature; Control And Regulating Apparatus For Dosing Or Mixing Of Gases Or Liquids, In Particular For Supplying Of Oxygen Or Other Additive Gases To An Air Or Process Gas Stream, In Particular Mixing Apparatus For Oxidising Media Being Suitable For The Petrochemical Industry And Gas Purification.[Class : 11] Heating Apparatus, Namely, Thermal Reactors, Catalyst Units, Oxidizers And Crackers, In Particular For Petrochemical Basic Materials And For Petrochemical Purposes; Gas Separation And Gas Purification Apparatus And Gas Purification (Scrubbing) Columns Therefor; Industrial Process Ovens, In Particular Gas And Burner Supported Ovens For The Petrochemical Industry And Key Components Thereof; Regulating And Safety Components (Apparatus) For Gas Apparatus, In Particular Petrochemical Gas Apparatus And Installations; Excluding Valves, Cocks And Pipe Fittings For Use In Water Supply And Sanitary Purposes.[Class : 42] Technical Planning And Design Of Apparatus, Equipment, Additional Components And Complete Installations For The Petrochemical Industry, In Particular Those That Function Using Additional Gases, In Particular Oxygen.