[Class : 6] Tanks Of Metal; Containers Of Metal For Compressed Gas Or Liquid Air; Containers Of Metal [Storage, Transport]; Structures Of Metal For Building; Pipes And Tubes Of Metal; Small Items Of Metal Hardware.[Class : 7] Expansion Tanks [Parts Of Machines]; Machines For Generating Gas By Electrolysis; Blowing Machines For The Compression, Exhaustion And Transport Of Gases; Agitators; Steam Condensers [Parts Of Machines]; Heat Exchangers [Parts Of Machines]; Fuel (Gas) Dispensers For Petrol Stations.[Class : 9] Devices And Instruments For Measuring, Detecting, Monitoring And Controlling; Cryomonitors.[Class : 11] Heat Exchangers, Other Than Parts Of Machines; Steam Generating Apparatus; Refrigerating And Freezing Equipment; Water Supply Devices And Installations; Water Treatment Equipment And Devices; Heating Boilers; Cryogenic Apparatus.