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

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