[Class : 4] In Respect Of Natural Gas Included In Class 4

[Class : 37] In Respect Of Installation Of Gas Supply And Distribution Apparatus, Installation Of Gas Pipelines, Repair Of Gas Cylinders, And Repair Of Gas Supply Systems Included In Class 37

[Class : 39] In Respect Of Gas Distribution Services Included In Class 39

[Class : 40] In Respect Of Gas Compression Services, Refining Of Gas, Petroleum Gas Liquefaction, Purification And Filtration Of Gas, Incineration Of Gases, Treatment Of Natural Gas Included In Class 40

[Class : 7] In Respect Of Gas Compressors, Gas Regulators, Gas Convertors Included In Class 7