[Class : 1] Gas: Gas For Industrial Use And For Industrial Purposes: Gaseous Hydrocarbon Compounds; Gaseous Hydrocarbons; Gases For Use In Burning; Gasoline Additives And Gasoline ( Detergent Additives).[Class : 4] Petroleum; Petroleum Gas; Industrial Oils And .Greases; Lubricants; Dust Absorbing, Wetting And Binding Compositions; Fuels (Including Motor Spirit) And Illuminants; Candles, Wicks.[Class : 16] Paper, Cardboard And Goods Made From These Materials, Not Included In Other Classes; Printed Matter; Brochures; Magazines; Bookbinding Material; Photographs; Stationery; Adhesives For Stationery Or Household Purposes; Artists" Materials; Paint Brushes; Typewriters And Office Requisites (Except Furniture); Instructional And Teaching Material (Except Apparatus); Plastic Materials For Packaging (Not Included On Other Classes); Playing Cards; Printers Type; Printing Blocks.[Class : 35] Management Of Blocks (Gas, Petrol And Others); Retail Of Gas For Automobiles, Piped And Industrial Use; Business Management; Management Of The Business Affairs Or Commercial Function Of An Industrial Or Commercial Enterprise; Business Administration; Office Functions[Class : 37] Beneath Ground Construction Work Relating To Gas Supply Mains; Beneath Ground Construction Work Relating To Gas Supply Pipes; Installation Of Gas Treatment Apparatus; Installation Of Pipe Systems For Conducting Of Gases; Maintenance And Repair Of Apparatus For Detecting Specific Gaseous Compounds; Maintenance And Repair Of Gas Installations And Equipment; Repair Of Gas Cylinders; Repair Of Gas Supply Systems; Repair, Servicing And Installation Services